diff --git a/CHANGELOG.md b/CHANGELOG.md
index a7b688c..a5a73fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+<a name="2.0.0"></a>
+# [2.0.0](https://github.com/ErikGartner/dtree/compare/1.3.2...v2.0.0) (2017-03-09)
+
+
+### Bug Fixes
+
+* upgrade to d3 v4 ([d63d003](https://github.com/ErikGartner/dtree/commit/d63d003))
+
+### Features
+
+* Deprecated marriage attribute. Use marriages instead now. #26 ([096b90f](https://github.com/ErikGartner/dtree/commit/096b90f))
+
+
+
 <a name="1.3.2"></a>
 ## [1.3.2](https://github.com/ErikGartner/dtree/compare/1.3.1...v1.3.2) (2016-07-21)
 
diff --git a/README.md b/README.md
index fe17ac0..bd78a64 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ There are several ways to use dTree. One way is to simply include the compiled f
 
 Lastly dTree is also available through the RawGit CDN:
 ```
-https://cdn.rawgit.com/ErikGartner/dTree/1.3.2/dist/dTree.min.js
+https://cdn.rawgit.com/ErikGartner/dTree/2.0.0/dist/dTree.min.js
 ```
 
 ## Requirements
diff --git a/dist/dTree.js b/dist/dTree.js
index ae1efce..779e4b3 100644
--- a/dist/dTree.js
+++ b/dist/dTree.js
@@ -38,20 +38,18 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         var width = opts.width + opts.margin.left + opts.margin.right;
         var height = opts.height + opts.margin.top + opts.margin.bottom;
 
-        var zoom = d3.behavior.zoom().scaleExtent([0.1, 10]).on('zoom', _.bind(function () {
-          svg.attr('transform', 'translate(' + d3.event.translate + ')' + ' scale(' + d3.event.scale + ')');
-        }, this));
+        var zoom = d3.zoom().scaleExtent([0.1, 10]).on('zoom', function () {
+          svg.attr('transform', d3.event.transform.translate(width / 2, opts.margin.top));
+        });
 
         //make an SVG
         var svg = this.svg = d3.select(opts.target).append('svg').attr('width', width).attr('height', height).call(zoom).append('g').attr('transform', 'translate(' + width / 2 + ',' + opts.margin.top + ')');
 
-        zoom.translate([width / 2, opts.margin.top]);
-
         // Compute the layout.
-        this.tree = d3.layout.tree().nodeSize([nodeSize[0] * 2, nodeSize[1] * 2.5]);
+        this.tree = d3.tree().nodeSize([nodeSize[0] * 2, nodeSize[1] * 2.5]);
 
         this.tree.separation(function separation(a, b) {
-          if (a.hidden || b.hidden) {
+          if (a.data.hidden || b.data.hidden) {
             return 0.3;
           } else {
             return 0.6;
@@ -68,14 +66,17 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         var allNodes = this.allNodes;
         var nodeSize = this.nodeSize;
 
-        var nodes = this.tree.nodes(source);
-
-        var links = this.tree.links(nodes);
+        var treenodes = this.tree(source);
+        var links = treenodes.links();
 
         // Create the link lines.
-        this.svg.selectAll('.link').data(links).enter().append('path').attr('class', opts.styles.linage).attr('d', this._elbow);
+        this.svg.selectAll('.link').data(links).enter()
+        // filter links with no parents to prevent empty nodes
+        .filter(function (l) {
+          return !l.target.data.noParent;
+        }).append('path').attr('class', opts.styles.linage).attr('d', this._elbow);
 
-        var nodes = this.svg.selectAll('.node').data(nodes).enter();
+        var nodes = this.svg.selectAll('.node').data(treenodes.descendants()).enter();
 
         this._linkSiblings();
 
@@ -84,7 +85,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
         // Create the node rectangles.
         nodes.append('foreignObject').filter(function (d) {
-          return d.hidden ? false : true;
+          return d.data.hidden ? false : true;
         }).attr('x', function (d) {
           return d.x - d.cWidth / 2 + 'px';
         }).attr('y', function (d) {
@@ -96,9 +97,9 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         }).attr('id', function (d) {
           return d.id;
         }).html(function (d) {
-          return opts.callbacks.nodeRenderer(d.name, d.x, d.y, nodeSize[0], nodeSize[1], d.extra, d.id, d['class'], d.textClass, opts.callbacks.textRenderer);
+          return opts.callbacks.nodeRenderer(d.data.name, d.x, d.y, nodeSize[0], nodeSize[1], d.data.extra, d.data.id, d.data['class'], d.data.textClass, opts.callbacks.textRenderer);
         }).on('click', function (d) {
-          if (d.hidden) {
+          if (d.data.hidden) {
             return;
           }
           opts.callbacks.nodeClick(d.name, d.extra, d.id);
@@ -125,7 +126,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
     }, {
       key: '_elbow',
       value: function _elbow(d, i) {
-        if (d.target.noParent) {
+        if (d.target.data.noParent) {
           return 'M0,0L0,0';
         }
         var ny = d.target.y + (d.source.y - d.target.y) * 0.50;
@@ -141,11 +142,11 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
           y: d.source.y
         }];
 
-        var fun = d3.svg.line().x(function (d) {
+        var fun = d3.line().curve(d3.curveStepAfter).x(function (d) {
           return d.x;
         }).y(function (d) {
           return d.y;
-        }).interpolate('step-after');
+        });
         return fun(linedata);
       }
     }, {
@@ -156,10 +157,10 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
         _.forEach(this.siblings, function (d) {
           var start = allNodes.filter(function (v) {
-            return d.source.id == v.id;
+            return d.source.id == v.data.id;
           });
           var end = allNodes.filter(function (v) {
-            return d.target.id == v.id;
+            return d.target.id == v.data.id;
           });
           d.source.x = start[0].x;
           d.source.y = start[0].y;
@@ -200,11 +201,11 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
           y: d.target.y
         }];
 
-        var fun = d3.svg.line().x(function (d) {
+        var fun = d3.line().curve(d3.curveStepAfter).x(function (d) {
           return d.x;
         }).y(function (d) {
           return d.y;
-        }).interpolate('linear');
+        });
         return fun(linedata);
       }
     }], [{
@@ -217,11 +218,11 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
         _.map(nodes, function (n) {
           var container = document.createElement('div');
-          container.setAttribute('class', n['class']);
+          container.setAttribute('class', n.data['class']);
           container.style.visibility = 'hidden';
           container.style.maxWidth = width + 'px';
 
-          var text = textRenderer(n.name, n.extra, n.textClass);
+          var text = textRenderer(n.data.name, n.data.extra, n.data.textClass);
           container.innerHTML = text;
 
           tmpSvg.appendChild(container);
@@ -273,7 +274,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
   var dTree = {
 
-    VERSION: '1.3.2',
+    VERSION: '2.0.0',
 
     init: function init(data) {
       var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
@@ -371,12 +372,6 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
         parent.children.push(node);
 
-        // DEPRECATED: Backwards-compatability for v1.x syntax, remove for 2.0
-        if (person.marriage) {
-          console.log('DEPRECATED: The data attribute "marriage" is deprecated in favor of "marriages" that takes an array. It will be removed in 2.0.');
-          person.marriages = [person.marriage];
-        }
-
         //sort marriages
         dTree._sortMarriages(person.marriages, opts);
 
@@ -429,7 +424,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
       });
 
       return {
-        root: root,
+        root: d3.hierarchy(root),
         siblings: siblings
       };
     },
diff --git a/dist/dTree.js.map b/dist/dTree.js.map
index f91f862..4e01a44 100644
--- a/dist/dTree.js.map
+++ b/dist/dTree.js.map
@@ -1 +1 @@
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(global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n  typeof define === 'function' && define.amd ? define(factory) :\n  global.dTree = factory();\n}(this, function () { 'use strict';\n\n  class TreeBuilder {\n\n    constructor(root, siblings, opts) {\n      TreeBuilder.DEBUG_LEVEL = opts.debug ? 1 : 0;\n\n      this.root = root;\n      this.siblings = siblings;\n      this.opts = opts;\n\n      // flatten nodes\n      this.allNodes = this._flatten(this.root);\n\n      // Calculate node size\n      var visibleNodes = _.filter(this.allNodes, function(n) {\n        return !n.hidden;\n      });\n      this.nodeSize = opts.callbacks.nodeSize(visibleNodes,\n        opts.nodeWidth, opts.callbacks.textRenderer);\n    }\n\n    create() {\n\n      var opts = this.opts;\n      var allNodes = this.allNodes;\n      var nodeSize = this.nodeSize;\n\n      var width = opts.width + opts.margin.left + opts.margin.right;\n      var height = opts.height + opts.margin.top + opts.margin.bottom;\n\n      var zoom = d3.behavior.zoom()\n        .scaleExtent([0.1, 10])\n        .on('zoom', _.bind(function() {\n          svg.attr('transform', 'translate(' + d3.event.translate + ')' +\n            ' scale(' + d3.event.scale + ')');\n        }, this));\n\n      //make an SVG\n      var svg = this.svg = d3.select(opts.target)\n        .append('svg')\n        .attr('width', width)\n        .attr('height', height)\n        .call(zoom)\n        .append('g')\n        .attr('transform', 'translate(' + width / 2 + ',' + opts.margin.top + ')');\n\n      zoom.translate([width / 2, opts.margin.top]);\n\n      // Compute the layout.\n      this.tree = d3.layout.tree()\n        .nodeSize([nodeSize[0] * 2, nodeSize[1] * 2.5]);\n\n      this.tree.separation(function separation(a, b) {\n        if (a.hidden || b.hidden) {\n          return 0.3;\n        } else {\n          return 0.6;\n        }\n      });\n\n      this._update(this.root);\n\n    }\n\n    _update(source) {\n\n      var opts = this.opts;\n      var allNodes = this.allNodes;\n      var nodeSize = this.nodeSize;\n\n      var nodes = this.tree.nodes(source);\n\n      var links = this.tree.links(nodes);\n\n      // Create the link lines.\n      this.svg.selectAll('.link')\n        .data(links)\n        .enter()\n        .append('path')\n        .attr('class', opts.styles.linage)\n        .attr('d', this._elbow);\n\n      var nodes = this.svg.selectAll('.node')\n        .data(nodes)\n        .enter();\n\n      this._linkSiblings();\n\n      // Draw siblings (marriage)\n      this.svg.selectAll('.sibling')\n        .data(this.siblings)\n        .enter()\n        .append('path')\n        .attr('class', opts.styles.marriage)\n        .attr('d', _.bind(this._siblingLine, this));\n\n      // Create the node rectangles.\n      nodes.append('foreignObject')\n        .filter(function(d) {\n          return d.hidden ? false : true;\n        })\n        .attr('x', function(d) {\n          return d.x - d.cWidth / 2 + 'px';\n        })\n        .attr('y', function(d) {\n          return d.y - d.cHeight / 2 + 'px';\n        })\n        .attr('width', function(d) {\n          return d.cWidth + 'px';\n        })\n        .attr('height', function(d) {\n          return d.cHeight + 'px';\n        })\n        .attr('id', function(d) {\n          return d.id;\n        })\n        .html(function(d) {\n          return opts.callbacks.nodeRenderer(\n            d.name,\n            d.x,\n            d.y,\n            nodeSize[0],\n            nodeSize[1],\n            d.extra,\n            d.id,\n            d.class,\n            d.textClass,\n            opts.callbacks.textRenderer);\n        })\n        .on('click', function(d)  {\n          if (d.hidden) {\n            return;\n          }\n          opts.callbacks.nodeClick(d.name, d.extra, d.id);\n        });\n    }\n\n    _flatten(root) {\n      var n = [];\n      var i = 0;\n\n      function recurse(node) {\n        if (node.children) {\n          node.children.forEach(recurse);\n        }\n        if (!node.id) {\n          node.id = ++i;\n        }\n        n.push(node);\n      }\n      recurse(root);\n      return n;\n    }\n\n    _elbow(d, i) {\n      if (d.target.noParent) {\n        return 'M0,0L0,0';\n      }\n      var ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n\n      var linedata = [{\n        x: d.target.x,\n        y: d.target.y\n      }, {\n        x: d.target.x,\n        y: ny\n      }, {\n        x: d.source.x,\n        y: d.source.y\n      }];\n\n      var fun = d3.svg.line()\n        .x(function(d) {\n          return d.x;\n        })\n        .y(function(d) {\n          return d.y;\n        })\n        .interpolate('step-after');\n      return fun(linedata);\n    }\n\n    _linkSiblings() {\n\n      var allNodes = this.allNodes;\n\n      _.forEach(this.siblings, function(d)  {\n        var start = allNodes.filter(function(v) {\n          return d.source.id == v.id;\n        });\n        var end = allNodes.filter(function(v) {\n          return d.target.id == v.id;\n        });\n        d.source.x = start[0].x;\n        d.source.y = start[0].y;\n        d.target.x = end[0].x;\n        d.target.y = end[0].y;\n      });\n\n    }\n\n    _siblingLine(d, i) {\n\n      var ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n      var nodeWidth = this.nodeSize[0];\n      var nodeHeight = this.nodeSize[1];\n\n      // Not first marriage\n      if (d.number > 0) {\n        ny -= nodeHeight * 8 / 10;\n      }\n\n      var linedata = [{\n        x: d.source.x,\n        y: d.source.y\n      }, {\n        x: d.source.x + nodeWidth * 6 / 10,\n        y: d.source.y\n      }, {\n        x: d.source.x + nodeWidth * 6 / 10,\n        y: ny\n      }, {\n        x: d.target.x - nodeWidth * 6 / 10,\n        y: ny\n      }, {\n        x: d.target.x - nodeWidth * 6 / 10,\n        y: d.target.y\n      }, {\n        x: d.target.x,\n        y: d.target.y\n      }];\n\n      var fun = d3.svg.line()\n        .x(function(d) {\n          return d.x;\n        })\n        .y(function(d) {\n          return d.y;\n        })\n        .interpolate('linear');\n      return fun(linedata);\n    }\n\n    static _nodeSize(nodes, width, textRenderer) {\n      var maxWidth = 0;\n      var maxHeight = 0;\n      var tmpSvg = document.createElement('svg');\n      document.body.appendChild(tmpSvg);\n\n      _.map(nodes, function(n) {\n        var container = document.createElement('div');\n        container.setAttribute('class', n.class);\n        container.style.visibility = 'hidden';\n        container.style.maxWidth = width + 'px';\n\n        var text = textRenderer(n.name, n.extra, n.textClass);\n        container.innerHTML = text;\n\n        tmpSvg.appendChild(container);\n        var height = container.offsetHeight;\n        tmpSvg.removeChild(container);\n\n        maxHeight = Math.max(maxHeight, height);\n        n.cHeight = height;\n        n.cWidth = width;\n      });\n      document.body.removeChild(tmpSvg);\n\n      return [width, maxHeight];\n    }\n\n    static _nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n      var node = '';\n      node += '<div ';\n      node += 'style=\"height:100%;width:100%;\" ';\n      node += 'class=\"' + nodeClass + '\" ';\n      node += 'id=\"node' + id + '\">\\n';\n      node += textRenderer(name, extra, textClass);\n      node += '</div>';\n      return node;\n    }\n\n    static _textRenderer(name, extra, textClass) {\n      var node = '';\n      node += '<p ';\n      node += 'align=\"center\" ';\n      node += 'class=\"' + textClass + '\">\\n';\n      node += name;\n      node += '</p>\\n';\n      return node;\n    }\n\n    static _debug(msg) {\n      if (TreeBuilder.DEBUG_LEVEL > 0)  {\n        console.log(msg);\n      }\n    }\n\n  }\n\n  const dTree = {\n\n    VERSION: '1.3.2',\n\n    init: function(data, options = {}) {\n\n      var opts = _.defaultsDeep(options || {}, {\n        target: '#graph',\n        debug: false,\n        width: 600,\n        height: 600,\n        callbacks: {\n          nodeClick: function(name, extra, id) {},\n          nodeRenderer: function(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n            return TreeBuilder._nodeRenderer(name, x, y, height, width, extra,\n              id,nodeClass, textClass, textRenderer);\n          },\n          nodeSize: function(nodes, width, textRenderer) {\n            return TreeBuilder._nodeSize(nodes, width, textRenderer);\n          },\n          nodeSorter: function(aName, aExtra, bName, bExtra) {return 0;},\n          textRenderer: function(name, extra, textClass) {\n            return TreeBuilder._textRenderer(name, extra, textClass);\n          },\n        },\n        margin: {\n          top: 0,\n          right: 0,\n          bottom: 0,\n          left: 0\n        },\n        nodeWidth: 100,\n        styles: {\n          node: 'node',\n          linage: 'linage',\n          marriage: 'marriage',\n          text: 'nodeText'\n        }\n      });\n\n      var data = this._preprocess(data, opts);\n      var treeBuilder = new TreeBuilder(data.root, data.siblings, opts);\n      treeBuilder.create();\n\n    },\n\n    _preprocess: function(data, opts) {\n\n      var siblings = [];\n      var id = 0;\n\n      var root = {\n        name: '',\n        id: id++,\n        hidden: true,\n        children: []\n      };\n\n      var reconstructTree = function(person, parent) {\n\n        // convert to person to d3 node\n        var node = {\n          name: person.name,\n          id: id++,\n          hidden: false,\n          children: [],\n          extra: person.extra,\n          textClass: person.textClass ? person.textClass : opts.styles.text,\n          class: person.class ? person.class : opts.styles.node\n        };\n\n        // hide linages to the hidden root node\n        if (parent == root) {\n          node.noParent = true;\n        }\n\n        // apply depth offset\n        for (var i = 0; i < person.depthOffset; i++) {\n          var pushNode = {\n            name: '',\n            id: id++,\n            hidden: true,\n            children: [],\n            noParent: node.noParent\n          };\n          parent.children.push(pushNode);\n          parent = pushNode;\n        }\n\n        // sort children\n        dTree._sortPersons(person.children, opts);\n\n        // add \"direct\" children\n        _.forEach(person.children, function(child) {\n          reconstructTree(child, node);\n        });\n\n        parent.children.push(node);\n\n        // DEPRECATED: Backwards-compatability for v1.x syntax, remove for 2.0\n        if (person.marriage) {\n          console.log('DEPRECATED: The data attribute \"marriage\" is deprecated in favor of \"marriages\" that takes an array. It will be removed in 2.0.');\n          person.marriages = [person.marriage];\n        }\n\n        //sort marriages\n        dTree._sortMarriages(person.marriages, opts);\n\n        // go through marriage\n        _.forEach(person.marriages, function(marriage, index) {\n\n          var m = {\n            name: '',\n            id: id++,\n            hidden: true,\n            noParent: true,\n            children: [],\n            extra: marriage.extra\n          };\n\n          var sp = marriage.spouse;\n\n          var spouse = {\n            name: sp.name,\n            id: id++,\n            hidden: false,\n            noParent: true,\n            children: [],\n            textClass: sp.textClass ? sp.textClass : opts.styles.text,\n            class: sp.class ? sp.class : opts.styles.node,\n            extra: sp.extra\n          };\n\n          parent.children.push(m, spouse);\n\n          dTree._sortPersons(marriage.children, opts);\n          _.forEach(marriage.children, function(child) {\n            reconstructTree(child, m);\n          });\n\n          siblings.push({\n            source: {\n              id: node.id\n            },\n            target: {\n              id: spouse.id\n            },\n            number: index\n          });\n        });\n\n      };\n\n      _.forEach(data, function(person) {\n        reconstructTree(person, root);\n      });\n\n      return {\n        root: root,\n        siblings: siblings\n      };\n\n    },\n\n    _sortPersons: function(persons, opts) {\n      if (persons != undefined) {\n        persons.sort(function(a, b) {\n          return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n        });\n      }\n      return persons;\n    },\n\n    _sortMarriages: function(marriages, opts) {\n      if (marriages != undefined && Array.isArray(marriages)) {\n        marriages.sort(function(marriageA, marriageB) {\n          var a = marriageA.spouse;\n          var b = marriageB.spouse;\n          return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n        });\n      }\n      return marriages;\n    }\n\n  };\n\n  return dTree;\n\n}));"],"sourceRoot":"/source/"}
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(global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n\ttypeof define === 'function' && define.amd ? define(factory) :\n\t(global.dTree = factory());\n}(this, (function () { 'use strict';\n\nclass TreeBuilder {\n\n  constructor(root, siblings, opts) {\n    TreeBuilder.DEBUG_LEVEL = opts.debug ? 1 : 0;\n\n    this.root = root;\n    this.siblings = siblings;\n    this.opts = opts;\n\n    // flatten nodes\n    this.allNodes = this._flatten(this.root);\n\n    // Calculate node size\n    let visibleNodes = _.filter(this.allNodes, function(n) {\n      return !n.hidden;\n    });\n    this.nodeSize = opts.callbacks.nodeSize(visibleNodes,\n      opts.nodeWidth, opts.callbacks.textRenderer);\n  }\n\n  create() {\n\n    let opts = this.opts;\n    let allNodes = this.allNodes;\n    let nodeSize = this.nodeSize;\n\n    let width = opts.width + opts.margin.left + opts.margin.right;\n    let height = opts.height + opts.margin.top + opts.margin.bottom;\n\n    let zoom = d3.zoom()\n      .scaleExtent([0.1, 10])\n      .on('zoom', function() {\n        svg.attr('transform', d3.event.transform.translate(width / 2, opts.margin.top));\n      });\n\n    //make an SVG\n    let svg = this.svg = d3.select(opts.target)\n      .append('svg')\n      .attr('width', width)\n      .attr('height', height)\n      .call(zoom)\n      .append('g')\n      .attr('transform', 'translate(' + width / 2 + ',' + opts.margin.top + ')');\n\n    // Compute the layout.\n    this.tree = d3.tree()\n      .nodeSize([nodeSize[0] * 2, nodeSize[1] * 2.5]);\n\n    this.tree.separation(function separation(a, b) {\n      if (a.data.hidden || b.data.hidden) {\n        return 0.3;\n      } else {\n        return 0.6;\n      }\n    });\n\n    this._update(this.root);\n\n  }\n\n  _update(source) {\n\n    let opts = this.opts;\n    let allNodes = this.allNodes;\n    let nodeSize = this.nodeSize;\n\n    let treenodes = this.tree(source);\n    let links = treenodes.links();\n\n    // Create the link lines.\n    this.svg.selectAll('.link')\n      .data(links)\n      .enter()\n      // filter links with no parents to prevent empty nodes\n      .filter(function(l) {\n        return !l.target.data.noParent;\n      })\n      .append('path')\n      .attr('class', opts.styles.linage)\n      .attr('d', this._elbow);\n\n    let nodes = this.svg.selectAll('.node')\n      .data(treenodes.descendants())\n      .enter();\n\n    this._linkSiblings();\n\n    // Draw siblings (marriage)\n    this.svg.selectAll('.sibling')\n      .data(this.siblings)\n      .enter()\n      .append('path')\n      .attr('class', opts.styles.marriage)\n      .attr('d', _.bind(this._siblingLine, this));\n\n    // Create the node rectangles.\n    nodes.append('foreignObject')\n      .filter(function(d) {\n        return d.data.hidden ? false : true;\n      })\n      .attr('x', function(d) {\n        return d.x - d.cWidth / 2 + 'px';\n      })\n      .attr('y', function(d) {\n        return d.y - d.cHeight / 2 + 'px';\n      })\n      .attr('width', function(d) {\n        return d.cWidth + 'px';\n      })\n      .attr('height', function(d) {\n        return d.cHeight + 'px';\n      })\n      .attr('id', function(d) {\n        return d.id;\n      })\n      .html(function(d) {\n        return opts.callbacks.nodeRenderer(\n          d.data.name,\n          d.x,\n          d.y,\n          nodeSize[0],\n          nodeSize[1],\n          d.data.extra,\n          d.data.id,\n          d.data.class,\n          d.data.textClass,\n          opts.callbacks.textRenderer);\n      })\n      .on('click', function(d)  {\n        if (d.data.hidden) {\n          return;\n        }\n        opts.callbacks.nodeClick(d.name, d.extra, d.id);\n      });\n  }\n\n  _flatten(root) {\n    let n = [];\n    let i = 0;\n\n    function recurse(node) {\n      if (node.children) {\n        node.children.forEach(recurse);\n      }\n      if (!node.id) {\n        node.id = ++i;\n      }\n      n.push(node);\n    }\n    recurse(root);\n    return n;\n  }\n\n  _elbow(d, i) {\n    if (d.target.data.noParent) {\n      return 'M0,0L0,0';\n    }\n    let ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n\n    let linedata = [{\n      x: d.target.x,\n      y: d.target.y\n    }, {\n      x: d.target.x,\n      y: ny\n    }, {\n      x: d.source.x,\n      y: d.source.y\n    }];\n\n    let fun = d3.line().curve(d3.curveStepAfter)\n      .x(function(d) {\n        return d.x;\n      })\n      .y(function(d) {\n        return d.y;\n      });\n    return fun(linedata);\n  }\n\n  _linkSiblings() {\n\n    let allNodes = this.allNodes;\n\n    _.forEach(this.siblings, function(d) {\n      let start = allNodes.filter(function(v) {\n        return d.source.id == v.data.id;\n      });\n      let end = allNodes.filter(function(v) {\n        return d.target.id == v.data.id;\n      });\n      d.source.x = start[0].x;\n      d.source.y = start[0].y;\n      d.target.x = end[0].x;\n      d.target.y = end[0].y;\n    });\n\n  }\n\n  _siblingLine(d, i) {\n\n    let ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n    let nodeWidth = this.nodeSize[0];\n    let nodeHeight = this.nodeSize[1];\n\n    // Not first marriage\n    if (d.number > 0) {\n      ny -= nodeHeight * 8 / 10;\n    }\n\n    let linedata = [{\n      x: d.source.x,\n      y: d.source.y\n    }, {\n      x: d.source.x + nodeWidth * 6 / 10,\n      y: d.source.y\n    }, {\n      x: d.source.x + nodeWidth * 6 / 10,\n      y: ny\n    }, {\n      x: d.target.x - nodeWidth * 6 / 10,\n      y: ny\n    }, {\n      x: d.target.x - nodeWidth * 6 / 10,\n      y: d.target.y\n    }, {\n      x: d.target.x,\n      y: d.target.y\n    }];\n\n    let fun = d3.line().curve(d3.curveStepAfter)\n      .x(function(d) {\n        return d.x;\n      })\n      .y(function(d) {\n        return d.y;\n      });\n    return fun(linedata);\n  }\n\n  static _nodeSize(nodes, width, textRenderer) {\n    let maxWidth = 0;\n    let maxHeight = 0;\n    let tmpSvg = document.createElement('svg');\n    document.body.appendChild(tmpSvg);\n\n    _.map(nodes, function(n) {\n      let container = document.createElement('div');\n      container.setAttribute('class', n.data.class);\n      container.style.visibility = 'hidden';\n      container.style.maxWidth = width + 'px';\n\n      let text = textRenderer(n.data.name, n.data.extra, n.data.textClass);\n      container.innerHTML = text;\n\n      tmpSvg.appendChild(container);\n      let height = container.offsetHeight;\n      tmpSvg.removeChild(container);\n\n      maxHeight = Math.max(maxHeight, height);\n      n.cHeight = height;\n      n.cWidth = width;\n    });\n    document.body.removeChild(tmpSvg);\n\n    return [width, maxHeight];\n  }\n\n  static _nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n    let node = '';\n    node += '<div ';\n    node += 'style=\"height:100%;width:100%;\" ';\n    node += 'class=\"' + nodeClass + '\" ';\n    node += 'id=\"node' + id + '\">\\n';\n    node += textRenderer(name, extra, textClass);\n    node += '</div>';\n    return node;\n  }\n\n  static _textRenderer(name, extra, textClass) {\n    let node = '';\n    node += '<p ';\n    node += 'align=\"center\" ';\n    node += 'class=\"' + textClass + '\">\\n';\n    node += name;\n    node += '</p>\\n';\n    return node;\n  }\n\n  static _debug(msg) {\n    if (TreeBuilder.DEBUG_LEVEL > 0)  {\n      console.log(msg);\n    }\n  }\n\n}\n\nconst dTree = {\n\n  VERSION: '2.0.0',\n\n  init: function(data, options = {}) {\n\n    var opts = _.defaultsDeep(options || {}, {\n      target: '#graph',\n      debug: false,\n      width: 600,\n      height: 600,\n      callbacks: {\n        nodeClick: function(name, extra, id) {},\n        nodeRenderer: function(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n          return TreeBuilder._nodeRenderer(name, x, y, height, width, extra,\n            id,nodeClass, textClass, textRenderer);\n        },\n        nodeSize: function(nodes, width, textRenderer) {\n          return TreeBuilder._nodeSize(nodes, width, textRenderer);\n        },\n        nodeSorter: function(aName, aExtra, bName, bExtra) {return 0;},\n        textRenderer: function(name, extra, textClass) {\n          return TreeBuilder._textRenderer(name, extra, textClass);\n        },\n      },\n      margin: {\n        top: 0,\n        right: 0,\n        bottom: 0,\n        left: 0\n      },\n      nodeWidth: 100,\n      styles: {\n        node: 'node',\n        linage: 'linage',\n        marriage: 'marriage',\n        text: 'nodeText'\n      }\n    });\n\n    var data = this._preprocess(data, opts);\n    var treeBuilder = new TreeBuilder(data.root, data.siblings, opts);\n    treeBuilder.create();\n\n  },\n\n  _preprocess: function(data, opts) {\n\n    var siblings = [];\n    var id = 0;\n\n    var root = {\n      name: '',\n      id: id++,\n      hidden: true,\n      children: []\n    };\n\n    var reconstructTree = function(person, parent) {\n\n      // convert to person to d3 node\n      var node = {\n        name: person.name,\n        id: id++,\n        hidden: false,\n        children: [],\n        extra: person.extra,\n        textClass: person.textClass ? person.textClass : opts.styles.text,\n        class: person.class ? person.class : opts.styles.node\n      };\n\n      // hide linages to the hidden root node\n      if (parent == root) {\n        node.noParent = true;\n      }\n\n      // apply depth offset\n      for (var i = 0; i < person.depthOffset; i++) {\n        var pushNode = {\n          name: '',\n          id: id++,\n          hidden: true,\n          children: [],\n          noParent: node.noParent\n        };\n        parent.children.push(pushNode);\n        parent = pushNode;\n      }\n\n      // sort children\n      dTree._sortPersons(person.children, opts);\n\n      // add \"direct\" children\n      _.forEach(person.children, function(child) {\n        reconstructTree(child, node);\n      });\n\n      parent.children.push(node);\n\n      //sort marriages\n      dTree._sortMarriages(person.marriages, opts);\n\n      // go through marriage\n      _.forEach(person.marriages, function(marriage, index) {\n\n        var m = {\n          name: '',\n          id: id++,\n          hidden: true,\n          noParent: true,\n          children: [],\n          extra: marriage.extra\n        };\n\n        var sp = marriage.spouse;\n\n        var spouse = {\n          name: sp.name,\n          id: id++,\n          hidden: false,\n          noParent: true,\n          children: [],\n          textClass: sp.textClass ? sp.textClass : opts.styles.text,\n          class: sp.class ? sp.class : opts.styles.node,\n          extra: sp.extra\n        };\n\n        parent.children.push(m, spouse);\n\n        dTree._sortPersons(marriage.children, opts);\n        _.forEach(marriage.children, function(child) {\n          reconstructTree(child, m);\n        });\n\n        siblings.push({\n          source: {\n            id: node.id\n          },\n          target: {\n            id: spouse.id\n          },\n          number: index\n        });\n      });\n\n    };\n\n    _.forEach(data, function(person) {\n      reconstructTree(person, root);\n    });\n\n    return {\n      root: d3.hierarchy(root),\n      siblings: siblings\n    };\n\n  },\n\n  _sortPersons: function(persons, opts) {\n    if (persons != undefined) {\n      persons.sort(function(a, b) {\n        return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n      });\n    }\n    return persons;\n  },\n\n  _sortMarriages: function(marriages, opts) {\n    if (marriages != undefined && Array.isArray(marriages)) {\n      marriages.sort(function(marriageA, marriageB) {\n        var a = marriageA.spouse;\n        var b = marriageB.spouse;\n        return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n      });\n    }\n    return marriages;\n  }\n\n};\n\nreturn dTree;\n\n})));\n"]}
\ No newline at end of file
diff --git a/dist/dTree.min.js b/dist/dTree.min.js
index 646eaca..d425ed0 100644
--- a/dist/dTree.min.js
+++ b/dist/dTree.min.js
@@ -1,2 +1,2 @@
-function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function e(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,n,r){return n&&e(t.prototype,n),r&&e(t,r),t}}();!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.dTree=t()}(this,function(){"use strict";var e=function(){function e(t,n,r){_classCallCheck(this,e),e.DEBUG_LEVEL=r.debug?1:0,this.root=t,this.siblings=n,this.opts=r,this.allNodes=this._flatten(this.root);var a=_.filter(this.allNodes,function(e){return!e.hidden});this.nodeSize=r.callbacks.nodeSize(a,r.nodeWidth,r.callbacks.textRenderer)}return _createClass(e,[{key:"create",value:function(){var e=this.opts,t=(this.allNodes,this.nodeSize),n=e.width+e.margin.left+e.margin.right,r=e.height+e.margin.top+e.margin.bottom,a=d3.behavior.zoom().scaleExtent([.1,10]).on("zoom",_.bind(function(){i.attr("transform","translate("+d3.event.translate+") scale("+d3.event.scale+")")},this)),i=this.svg=d3.select(e.target).append("svg").attr("width",n).attr("height",r).call(a).append("g").attr("transform","translate("+n/2+","+e.margin.top+")");a.translate([n/2,e.margin.top]),this.tree=d3.layout.tree().nodeSize([2*t[0],2.5*t[1]]),this.tree.separation(function(e,t){return e.hidden||t.hidden?.3:.6}),this._update(this.root)}},{key:"_update",value:function(e){var t=this.opts,n=(this.allNodes,this.nodeSize),r=this.tree.nodes(e),a=this.tree.links(r);this.svg.selectAll(".link").data(a).enter().append("path").attr("class",t.styles.linage).attr("d",this._elbow);var r=this.svg.selectAll(".node").data(r).enter();this._linkSiblings(),this.svg.selectAll(".sibling").data(this.siblings).enter().append("path").attr("class",t.styles.marriage).attr("d",_.bind(this._siblingLine,this)),r.append("foreignObject").filter(function(e){return e.hidden?!1:!0}).attr("x",function(e){return e.x-e.cWidth/2+"px"}).attr("y",function(e){return e.y-e.cHeight/2+"px"}).attr("width",function(e){return e.cWidth+"px"}).attr("height",function(e){return e.cHeight+"px"}).attr("id",function(e){return e.id}).html(function(e){return t.callbacks.nodeRenderer(e.name,e.x,e.y,n[0],n[1],e.extra,e.id,e["class"],e.textClass,t.callbacks.textRenderer)}).on("click",function(e){e.hidden||t.callbacks.nodeClick(e.name,e.extra,e.id)})}},{key:"_flatten",value:function(e){function t(e){e.children&&e.children.forEach(t),e.id||(e.id=++r),n.push(e)}var n=[],r=0;return t(e),n}},{key:"_elbow",value:function(e,t){if(e.target.noParent)return"M0,0L0,0";var n=e.target.y+.5*(e.source.y-e.target.y),r=[{x:e.target.x,y:e.target.y},{x:e.target.x,y:n},{x:e.source.x,y:e.source.y}],a=d3.svg.line().x(function(e){return e.x}).y(function(e){return e.y}).interpolate("step-after");return a(r)}},{key:"_linkSiblings",value:function(){var e=this.allNodes;_.forEach(this.siblings,function(t){var n=e.filter(function(e){return t.source.id==e.id}),r=e.filter(function(e){return t.target.id==e.id});t.source.x=n[0].x,t.source.y=n[0].y,t.target.x=r[0].x,t.target.y=r[0].y})}},{key:"_siblingLine",value:function(e,t){var n=e.target.y+.5*(e.source.y-e.target.y),r=this.nodeSize[0],a=this.nodeSize[1];e.number>0&&(n-=8*a/10);var i=[{x:e.source.x,y:e.source.y},{x:e.source.x+6*r/10,y:e.source.y},{x:e.source.x+6*r/10,y:n},{x:e.target.x-6*r/10,y:n},{x:e.target.x-6*r/10,y:e.target.y},{x:e.target.x,y:e.target.y}],s=d3.svg.line().x(function(e){return e.x}).y(function(e){return e.y}).interpolate("linear");return s(i)}}],[{key:"_nodeSize",value:function(e,t,n){var r=0,a=document.createElement("svg");return document.body.appendChild(a),_.map(e,function(e){var i=document.createElement("div");i.setAttribute("class",e["class"]),i.style.visibility="hidden",i.style.maxWidth=t+"px";var s=n(e.name,e.extra,e.textClass);i.innerHTML=s,a.appendChild(i);var o=i.offsetHeight;a.removeChild(i),r=Math.max(r,o),e.cHeight=o,e.cWidth=t}),document.body.removeChild(a),[t,r]}},{key:"_nodeRenderer",value:function(e,t,n,r,a,i,s,o,l,d){var c="";return c+="<div ",c+='style="height:100%;width:100%;" ',c+='class="'+o+'" ',c+='id="node'+s+'">\n',c+=d(e,i,l),c+="</div>"}},{key:"_textRenderer",value:function(e,t,n){var r="";return r+="<p ",r+='align="center" ',r+='class="'+n+'">\n',r+=e,r+="</p>\n"}},{key:"_debug",value:function(t){e.DEBUG_LEVEL>0&&console.log(t)}}]),e}(),t={VERSION:"1.3.2",init:function(t){var n=arguments.length<=1||void 0===arguments[1]?{}:arguments[1],r=_.defaultsDeep(n||{},{target:"#graph",debug:!1,width:600,height:600,callbacks:{nodeClick:function(e,t,n){},nodeRenderer:function(t,n,r,a,i,s,o,l,d,c){return e._nodeRenderer(t,n,r,a,i,s,o,l,d,c)},nodeSize:function(t,n,r){return e._nodeSize(t,n,r)},nodeSorter:function(e,t,n,r){return 0},textRenderer:function(t,n,r){return e._textRenderer(t,n,r)}},margin:{top:0,right:0,bottom:0,left:0},nodeWidth:100,styles:{node:"node",linage:"linage",marriage:"marriage",text:"nodeText"}}),t=this._preprocess(t,r),a=new e(t.root,t.siblings,r);a.create()},_preprocess:function(e,n){var r=[],a=0,i={name:"",id:a++,hidden:!0,children:[]},s=function o(e,s){var l={name:e.name,id:a++,hidden:!1,children:[],extra:e.extra,textClass:e.textClass?e.textClass:n.styles.text,"class":e["class"]?e["class"]:n.styles.node};s==i&&(l.noParent=!0);for(var d=0;d<e.depthOffset;d++){var c={name:"",id:a++,hidden:!0,children:[],noParent:l.noParent};s.children.push(c),s=c}t._sortPersons(e.children,n),_.forEach(e.children,function(e){o(e,l)}),s.children.push(l),e.marriage&&(console.log('DEPRECATED: The data attribute "marriage" is deprecated in favor of "marriages" that takes an array. It will be removed in 2.0.'),e.marriages=[e.marriage]),t._sortMarriages(e.marriages,n),_.forEach(e.marriages,function(e,i){var d={name:"",id:a++,hidden:!0,noParent:!0,children:[],extra:e.extra},c=e.spouse,u={name:c.name,id:a++,hidden:!1,noParent:!0,children:[],textClass:c.textClass?c.textClass:n.styles.text,"class":c["class"]?c["class"]:n.styles.node,extra:c.extra};s.children.push(d,u),t._sortPersons(e.children,n),_.forEach(e.children,function(e){o(e,d)}),r.push({source:{id:l.id},target:{id:u.id},number:i})})};return _.forEach(e,function(e){s(e,i)}),{root:i,siblings:r}},_sortPersons:function(e,t){return void 0!=e&&e.sort(function(e,n){return t.callbacks.nodeSorter(e.name,e.extra,n.name,n.extra)}),e},_sortMarriages:function(e,t){return void 0!=e&&Array.isArray(e)&&e.sort(function(e,n){var r=e.spouse,a=n.spouse;return t.callbacks.nodeSorter(r.name,r.extra,a.name,a.extra)}),e}};return t});
+function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function e(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,n,r){return n&&e(t.prototype,n),r&&e(t,r),t}}();!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.dTree=t()}(this,function(){"use strict";var e=function(){function e(t,n,r){_classCallCheck(this,e),e.DEBUG_LEVEL=r.debug?1:0,this.root=t,this.siblings=n,this.opts=r,this.allNodes=this._flatten(this.root);var a=_.filter(this.allNodes,function(e){return!e.hidden});this.nodeSize=r.callbacks.nodeSize(a,r.nodeWidth,r.callbacks.textRenderer)}return _createClass(e,[{key:"create",value:function(){var e=this.opts,t=(this.allNodes,this.nodeSize),n=e.width+e.margin.left+e.margin.right,r=e.height+e.margin.top+e.margin.bottom,a=d3.zoom().scaleExtent([.1,10]).on("zoom",function(){i.attr("transform",d3.event.transform.translate(n/2,e.margin.top))}),i=this.svg=d3.select(e.target).append("svg").attr("width",n).attr("height",r).call(a).append("g").attr("transform","translate("+n/2+","+e.margin.top+")");this.tree=d3.tree().nodeSize([2*t[0],2.5*t[1]]),this.tree.separation(function(e,t){return e.data.hidden||t.data.hidden?.3:.6}),this._update(this.root)}},{key:"_update",value:function(e){var t=this.opts,n=(this.allNodes,this.nodeSize),r=this.tree(e),a=r.links();this.svg.selectAll(".link").data(a).enter().filter(function(e){return!e.target.data.noParent}).append("path").attr("class",t.styles.linage).attr("d",this._elbow);var i=this.svg.selectAll(".node").data(r.descendants()).enter();this._linkSiblings(),this.svg.selectAll(".sibling").data(this.siblings).enter().append("path").attr("class",t.styles.marriage).attr("d",_.bind(this._siblingLine,this)),i.append("foreignObject").filter(function(e){return!e.data.hidden}).attr("x",function(e){return e.x-e.cWidth/2+"px"}).attr("y",function(e){return e.y-e.cHeight/2+"px"}).attr("width",function(e){return e.cWidth+"px"}).attr("height",function(e){return e.cHeight+"px"}).attr("id",function(e){return e.id}).html(function(e){return t.callbacks.nodeRenderer(e.data.name,e.x,e.y,n[0],n[1],e.data.extra,e.data.id,e.data["class"],e.data.textClass,t.callbacks.textRenderer)}).on("click",function(e){e.data.hidden||t.callbacks.nodeClick(e.name,e.extra,e.id)})}},{key:"_flatten",value:function(e){function t(e){e.children&&e.children.forEach(t),e.id||(e.id=++r),n.push(e)}var n=[],r=0;return t(e),n}},{key:"_elbow",value:function(e,t){if(e.target.data.noParent)return"M0,0L0,0";var n=e.target.y+.5*(e.source.y-e.target.y),r=[{x:e.target.x,y:e.target.y},{x:e.target.x,y:n},{x:e.source.x,y:e.source.y}],a=d3.line().curve(d3.curveStepAfter).x(function(e){return e.x}).y(function(e){return e.y});return a(r)}},{key:"_linkSiblings",value:function(){var e=this.allNodes;_.forEach(this.siblings,function(t){var n=e.filter(function(e){return t.source.id==e.data.id}),r=e.filter(function(e){return t.target.id==e.data.id});t.source.x=n[0].x,t.source.y=n[0].y,t.target.x=r[0].x,t.target.y=r[0].y})}},{key:"_siblingLine",value:function(e,t){var n=e.target.y+.5*(e.source.y-e.target.y),r=this.nodeSize[0],a=this.nodeSize[1];e.number>0&&(n-=8*a/10);var i=[{x:e.source.x,y:e.source.y},{x:e.source.x+6*r/10,y:e.source.y},{x:e.source.x+6*r/10,y:n},{x:e.target.x-6*r/10,y:n},{x:e.target.x-6*r/10,y:e.target.y},{x:e.target.x,y:e.target.y}],s=d3.line().curve(d3.curveStepAfter).x(function(e){return e.x}).y(function(e){return e.y});return s(i)}}],[{key:"_nodeSize",value:function(e,t,n){var 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diff --git a/dist/dTree.min.js.map b/dist/dTree.min.js.map
index 8668464..11110fa 100644
--- a/dist/dTree.min.js.map
+++ b/dist/dTree.min.js.map
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_createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }\n\n(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : global.dTree = factory();\n})(this, function () {\n  'use strict';\n\n  var TreeBuilder = (function () {\n    function TreeBuilder(root, siblings, opts) {\n      _classCallCheck(this, TreeBuilder);\n\n      TreeBuilder.DEBUG_LEVEL = opts.debug ? 1 : 0;\n\n      this.root = root;\n      this.siblings = siblings;\n      this.opts = opts;\n\n      // flatten nodes\n      this.allNodes = this._flatten(this.root);\n\n      // Calculate node size\n      var visibleNodes = _.filter(this.allNodes, function (n) {\n        return !n.hidden;\n      });\n      this.nodeSize = opts.callbacks.nodeSize(visibleNodes, opts.nodeWidth, opts.callbacks.textRenderer);\n    }\n\n    _createClass(TreeBuilder, [{\n      key: 'create',\n      value: function create() {\n\n        var opts = this.opts;\n        var allNodes = this.allNodes;\n        var nodeSize = this.nodeSize;\n\n        var width = opts.width + opts.margin.left + opts.margin.right;\n        var height = opts.height + opts.margin.top + opts.margin.bottom;\n\n        var zoom = d3.behavior.zoom().scaleExtent([0.1, 10]).on('zoom', _.bind(function () {\n          svg.attr('transform', 'translate(' + d3.event.translate + ')' + ' scale(' + d3.event.scale + ')');\n        }, this));\n\n        //make an SVG\n        var svg = this.svg = d3.select(opts.target).append('svg').attr('width', width).attr('height', height).call(zoom).append('g').attr('transform', 'translate(' + width / 2 + ',' + opts.margin.top + ')');\n\n        zoom.translate([width / 2, opts.margin.top]);\n\n        // Compute the layout.\n        this.tree = d3.layout.tree().nodeSize([nodeSize[0] * 2, nodeSize[1] * 2.5]);\n\n        this.tree.separation(function separation(a, b) {\n          if (a.hidden || b.hidden) {\n            return 0.3;\n          } else {\n            return 0.6;\n          }\n        });\n\n        this._update(this.root);\n      }\n    }, {\n      key: '_update',\n      value: function _update(source) {\n\n        var opts = this.opts;\n        var allNodes = this.allNodes;\n        var nodeSize = this.nodeSize;\n\n        var nodes = this.tree.nodes(source);\n\n        var links = this.tree.links(nodes);\n\n        // Create the link lines.\n        this.svg.selectAll('.link').data(links).enter().append('path').attr('class', opts.styles.linage).attr('d', this._elbow);\n\n        var nodes = this.svg.selectAll('.node').data(nodes).enter();\n\n        this._linkSiblings();\n\n        // Draw siblings (marriage)\n        this.svg.selectAll('.sibling').data(this.siblings).enter().append('path').attr('class', opts.styles.marriage).attr('d', _.bind(this._siblingLine, this));\n\n        // Create the node rectangles.\n        nodes.append('foreignObject').filter(function (d) {\n          return d.hidden ? false : true;\n        }).attr('x', function (d) {\n          return d.x - d.cWidth / 2 + 'px';\n        }).attr('y', function (d) {\n          return d.y - d.cHeight / 2 + 'px';\n        }).attr('width', function (d) {\n          return d.cWidth + 'px';\n        }).attr('height', function (d) {\n          return d.cHeight + 'px';\n        }).attr('id', function (d) {\n          return d.id;\n        }).html(function (d) {\n          return opts.callbacks.nodeRenderer(d.name, d.x, d.y, nodeSize[0], nodeSize[1], d.extra, d.id, d['class'], d.textClass, opts.callbacks.textRenderer);\n        }).on('click', function (d) {\n          if (d.hidden) {\n            return;\n          }\n          opts.callbacks.nodeClick(d.name, d.extra, d.id);\n        });\n      }\n    }, {\n      key: '_flatten',\n      value: function _flatten(root) {\n        var n = [];\n        var i = 0;\n\n        function recurse(node) {\n          if (node.children) {\n            node.children.forEach(recurse);\n          }\n          if (!node.id) {\n            node.id = ++i;\n          }\n          n.push(node);\n        }\n        recurse(root);\n        return n;\n      }\n    }, {\n      key: '_elbow',\n      value: function _elbow(d, i) {\n        if (d.target.noParent) {\n          return 'M0,0L0,0';\n        }\n        var ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n\n        var linedata = [{\n          x: d.target.x,\n          y: d.target.y\n        }, {\n          x: d.target.x,\n          y: ny\n        }, {\n          x: d.source.x,\n          y: d.source.y\n        }];\n\n        var fun = d3.svg.line().x(function (d) {\n          return d.x;\n        }).y(function (d) {\n          return d.y;\n        }).interpolate('step-after');\n        return fun(linedata);\n      }\n    }, {\n      key: '_linkSiblings',\n      value: function _linkSiblings() {\n\n        var allNodes = this.allNodes;\n\n        _.forEach(this.siblings, function (d) {\n          var start = allNodes.filter(function (v) {\n            return d.source.id == v.id;\n          });\n          var end = allNodes.filter(function (v) {\n            return d.target.id == v.id;\n          });\n          d.source.x = start[0].x;\n          d.source.y = start[0].y;\n          d.target.x = end[0].x;\n          d.target.y = end[0].y;\n        });\n      }\n    }, {\n      key: '_siblingLine',\n      value: function _siblingLine(d, i) {\n\n        var ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n        var nodeWidth = this.nodeSize[0];\n        var nodeHeight = this.nodeSize[1];\n\n        // Not first marriage\n        if (d.number > 0) {\n          ny -= nodeHeight * 8 / 10;\n        }\n\n        var linedata = [{\n          x: d.source.x,\n          y: d.source.y\n        }, {\n          x: d.source.x + nodeWidth * 6 / 10,\n          y: d.source.y\n        }, {\n          x: d.source.x + nodeWidth * 6 / 10,\n          y: ny\n        }, {\n          x: d.target.x - nodeWidth * 6 / 10,\n          y: ny\n        }, {\n          x: d.target.x - nodeWidth * 6 / 10,\n          y: d.target.y\n        }, {\n          x: d.target.x,\n          y: d.target.y\n        }];\n\n        var fun = d3.svg.line().x(function (d) {\n          return d.x;\n        }).y(function (d) {\n          return d.y;\n        }).interpolate('linear');\n        return fun(linedata);\n      }\n    }], [{\n      key: '_nodeSize',\n      value: function _nodeSize(nodes, width, textRenderer) {\n        var maxWidth = 0;\n        var maxHeight = 0;\n        var tmpSvg = document.createElement('svg');\n        document.body.appendChild(tmpSvg);\n\n        _.map(nodes, function (n) {\n          var container = document.createElement('div');\n          container.setAttribute('class', n['class']);\n          container.style.visibility = 'hidden';\n          container.style.maxWidth = width + 'px';\n\n          var text = textRenderer(n.name, n.extra, n.textClass);\n          container.innerHTML = text;\n\n          tmpSvg.appendChild(container);\n          var height = container.offsetHeight;\n          tmpSvg.removeChild(container);\n\n          maxHeight = Math.max(maxHeight, height);\n          n.cHeight = height;\n          n.cWidth = width;\n        });\n        document.body.removeChild(tmpSvg);\n\n        return [width, maxHeight];\n      }\n    }, {\n      key: '_nodeRenderer',\n      value: function _nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n        var node = '';\n        node += '<div ';\n        node += 'style=\"height:100%;width:100%;\" ';\n        node += 'class=\"' + nodeClass + '\" ';\n        node += 'id=\"node' + id + '\">\\n';\n        node += textRenderer(name, extra, textClass);\n        node += '</div>';\n        return node;\n      }\n    }, {\n      key: '_textRenderer',\n      value: function _textRenderer(name, extra, textClass) {\n        var node = '';\n        node += '<p ';\n        node += 'align=\"center\" ';\n        node += 'class=\"' + textClass + '\">\\n';\n        node += name;\n        node += '</p>\\n';\n        return node;\n      }\n    }, {\n      key: '_debug',\n      value: function _debug(msg) {\n        if (TreeBuilder.DEBUG_LEVEL > 0) {\n          console.log(msg);\n        }\n      }\n    }]);\n\n    return TreeBuilder;\n  })();\n\n  var dTree = {\n\n    VERSION: '1.3.2',\n\n    init: function init(data) {\n      var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];\n\n      var opts = _.defaultsDeep(options || {}, {\n        target: '#graph',\n        debug: false,\n        width: 600,\n        height: 600,\n        callbacks: {\n          nodeClick: function nodeClick(name, extra, id) {},\n          nodeRenderer: function nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n            return TreeBuilder._nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer);\n          },\n          nodeSize: function nodeSize(nodes, width, textRenderer) {\n            return TreeBuilder._nodeSize(nodes, width, textRenderer);\n          },\n          nodeSorter: function nodeSorter(aName, aExtra, bName, bExtra) {\n            return 0;\n          },\n          textRenderer: function textRenderer(name, extra, textClass) {\n            return TreeBuilder._textRenderer(name, extra, textClass);\n          }\n        },\n        margin: {\n          top: 0,\n          right: 0,\n          bottom: 0,\n          left: 0\n        },\n        nodeWidth: 100,\n        styles: {\n          node: 'node',\n          linage: 'linage',\n          marriage: 'marriage',\n          text: 'nodeText'\n        }\n      });\n\n      var data = this._preprocess(data, opts);\n      var treeBuilder = new TreeBuilder(data.root, data.siblings, opts);\n      treeBuilder.create();\n    },\n\n    _preprocess: function _preprocess(data, opts) {\n\n      var siblings = [];\n      var id = 0;\n\n      var root = {\n        name: '',\n        id: id++,\n        hidden: true,\n        children: []\n      };\n\n      var reconstructTree = function reconstructTree(person, parent) {\n\n        // convert to person to d3 node\n        var node = {\n          name: person.name,\n          id: id++,\n          hidden: false,\n          children: [],\n          extra: person.extra,\n          textClass: person.textClass ? person.textClass : opts.styles.text,\n          'class': person['class'] ? person['class'] : opts.styles.node\n        };\n\n        // hide linages to the hidden root node\n        if (parent == root) {\n          node.noParent = true;\n        }\n\n        // apply depth offset\n        for (var i = 0; i < person.depthOffset; i++) {\n          var pushNode = {\n            name: '',\n            id: id++,\n            hidden: true,\n            children: [],\n            noParent: node.noParent\n          };\n          parent.children.push(pushNode);\n          parent = pushNode;\n        }\n\n        // sort children\n        dTree._sortPersons(person.children, opts);\n\n        // add \"direct\" children\n        _.forEach(person.children, function (child) {\n          reconstructTree(child, node);\n        });\n\n        parent.children.push(node);\n\n        // DEPRECATED: Backwards-compatability for v1.x syntax, remove for 2.0\n        if (person.marriage) {\n          console.log('DEPRECATED: The data attribute \"marriage\" is deprecated in favor of \"marriages\" that takes an array. It will be removed in 2.0.');\n          person.marriages = [person.marriage];\n        }\n\n        //sort marriages\n        dTree._sortMarriages(person.marriages, opts);\n\n        // go through marriage\n        _.forEach(person.marriages, function (marriage, index) {\n\n          var m = {\n            name: '',\n            id: id++,\n            hidden: true,\n            noParent: true,\n            children: [],\n            extra: marriage.extra\n          };\n\n          var sp = marriage.spouse;\n\n          var spouse = {\n            name: sp.name,\n            id: id++,\n            hidden: false,\n            noParent: true,\n            children: [],\n            textClass: sp.textClass ? sp.textClass : opts.styles.text,\n            'class': sp['class'] ? sp['class'] : opts.styles.node,\n            extra: sp.extra\n          };\n\n          parent.children.push(m, spouse);\n\n          dTree._sortPersons(marriage.children, opts);\n          _.forEach(marriage.children, function (child) {\n            reconstructTree(child, m);\n          });\n\n          siblings.push({\n            source: {\n              id: node.id\n            },\n            target: {\n              id: spouse.id\n            },\n            number: index\n          });\n        });\n      };\n\n      _.forEach(data, function (person) {\n        reconstructTree(person, root);\n      });\n\n      return {\n        root: root,\n        siblings: siblings\n      };\n    },\n\n    _sortPersons: function _sortPersons(persons, opts) {\n      if (persons != undefined) {\n        persons.sort(function (a, b) {\n          return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n        });\n      }\n      return persons;\n    },\n\n    _sortMarriages: function _sortMarriages(marriages, opts) {\n      if (marriages != undefined && Array.isArray(marriages)) {\n        marriages.sort(function (marriageA, marriageB) {\n          var a = marriageA.spouse;\n          var b = marriageB.spouse;\n          return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n        });\n      }\n      return marriages;\n    }\n\n  };\n\n  return dTree;\n});\n//# sourceMappingURL=dTree.js.map\n","(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n  typeof define === 'function' && define.amd ? define(factory) :\n  global.dTree = factory();\n}(this, function () { 'use strict';\n\n  class TreeBuilder {\n\n    constructor(root, siblings, opts) {\n      TreeBuilder.DEBUG_LEVEL = opts.debug ? 1 : 0;\n\n      this.root = root;\n      this.siblings = siblings;\n      this.opts = opts;\n\n      // flatten nodes\n      this.allNodes = this._flatten(this.root);\n\n      // Calculate node size\n      var visibleNodes = _.filter(this.allNodes, function(n) {\n        return !n.hidden;\n      });\n      this.nodeSize = opts.callbacks.nodeSize(visibleNodes,\n        opts.nodeWidth, opts.callbacks.textRenderer);\n    }\n\n    create() {\n\n      var opts = this.opts;\n      var allNodes = this.allNodes;\n      var nodeSize = this.nodeSize;\n\n      var width = opts.width + opts.margin.left + opts.margin.right;\n      var height = opts.height + opts.margin.top + opts.margin.bottom;\n\n      var zoom = d3.behavior.zoom()\n        .scaleExtent([0.1, 10])\n        .on('zoom', _.bind(function() {\n          svg.attr('transform', 'translate(' + d3.event.translate + ')' +\n            ' scale(' + d3.event.scale + ')');\n        }, this));\n\n      //make an SVG\n      var svg = this.svg = d3.select(opts.target)\n        .append('svg')\n        .attr('width', width)\n        .attr('height', height)\n        .call(zoom)\n        .append('g')\n        .attr('transform', 'translate(' + width / 2 + ',' + opts.margin.top + ')');\n\n      zoom.translate([width / 2, opts.margin.top]);\n\n      // Compute the layout.\n      this.tree = d3.layout.tree()\n        .nodeSize([nodeSize[0] * 2, nodeSize[1] * 2.5]);\n\n      this.tree.separation(function separation(a, b) {\n        if (a.hidden || b.hidden) {\n          return 0.3;\n        } else {\n          return 0.6;\n        }\n      });\n\n      this._update(this.root);\n\n    }\n\n    _update(source) {\n\n      var opts = this.opts;\n      var allNodes = this.allNodes;\n      var nodeSize = this.nodeSize;\n\n      var nodes = this.tree.nodes(source);\n\n      var links = this.tree.links(nodes);\n\n      // Create the link lines.\n      this.svg.selectAll('.link')\n        .data(links)\n        .enter()\n        .append('path')\n        .attr('class', opts.styles.linage)\n        .attr('d', this._elbow);\n\n      var nodes = this.svg.selectAll('.node')\n        .data(nodes)\n        .enter();\n\n      this._linkSiblings();\n\n      // Draw siblings (marriage)\n      this.svg.selectAll('.sibling')\n        .data(this.siblings)\n        .enter()\n        .append('path')\n        .attr('class', opts.styles.marriage)\n        .attr('d', _.bind(this._siblingLine, this));\n\n      // Create the node rectangles.\n      nodes.append('foreignObject')\n        .filter(function(d) {\n          return d.hidden ? false : true;\n        })\n        .attr('x', function(d) {\n          return d.x - d.cWidth / 2 + 'px';\n        })\n        .attr('y', function(d) {\n          return d.y - d.cHeight / 2 + 'px';\n        })\n        .attr('width', function(d) {\n          return d.cWidth + 'px';\n        })\n        .attr('height', function(d) {\n          return d.cHeight + 'px';\n        })\n        .attr('id', function(d) {\n          return d.id;\n        })\n        .html(function(d) {\n          return opts.callbacks.nodeRenderer(\n            d.name,\n            d.x,\n            d.y,\n            nodeSize[0],\n            nodeSize[1],\n            d.extra,\n            d.id,\n            d.class,\n            d.textClass,\n            opts.callbacks.textRenderer);\n        })\n        .on('click', function(d)  {\n          if (d.hidden) {\n            return;\n          }\n          opts.callbacks.nodeClick(d.name, d.extra, d.id);\n        });\n    }\n\n    _flatten(root) {\n      var n = [];\n      var i = 0;\n\n      function recurse(node) {\n        if (node.children) {\n          node.children.forEach(recurse);\n        }\n        if (!node.id) {\n          node.id = ++i;\n        }\n        n.push(node);\n      }\n      recurse(root);\n      return n;\n    }\n\n    _elbow(d, i) {\n      if (d.target.noParent) {\n        return 'M0,0L0,0';\n      }\n      var ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n\n      var linedata = [{\n        x: d.target.x,\n        y: d.target.y\n      }, {\n        x: d.target.x,\n        y: ny\n      }, {\n        x: d.source.x,\n        y: d.source.y\n      }];\n\n      var fun = d3.svg.line()\n        .x(function(d) {\n          return d.x;\n        })\n        .y(function(d) {\n          return d.y;\n        })\n        .interpolate('step-after');\n      return fun(linedata);\n    }\n\n    _linkSiblings() {\n\n      var allNodes = this.allNodes;\n\n      _.forEach(this.siblings, function(d)  {\n        var start = allNodes.filter(function(v) {\n          return d.source.id == v.id;\n        });\n        var end = allNodes.filter(function(v) {\n          return d.target.id == v.id;\n        });\n        d.source.x = start[0].x;\n        d.source.y = start[0].y;\n        d.target.x = end[0].x;\n        d.target.y = end[0].y;\n      });\n\n    }\n\n    _siblingLine(d, i) {\n\n      var ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n      var nodeWidth = this.nodeSize[0];\n      var nodeHeight = this.nodeSize[1];\n\n      // Not first marriage\n      if (d.number > 0) {\n        ny -= nodeHeight * 8 / 10;\n      }\n\n      var linedata = [{\n        x: d.source.x,\n        y: d.source.y\n      }, {\n        x: d.source.x + nodeWidth * 6 / 10,\n        y: d.source.y\n      }, {\n        x: d.source.x + nodeWidth * 6 / 10,\n        y: ny\n      }, {\n        x: d.target.x - nodeWidth * 6 / 10,\n        y: ny\n      }, {\n        x: d.target.x - nodeWidth * 6 / 10,\n        y: d.target.y\n      }, {\n        x: d.target.x,\n        y: d.target.y\n      }];\n\n      var fun = d3.svg.line()\n        .x(function(d) {\n          return d.x;\n        })\n        .y(function(d) {\n          return d.y;\n        })\n        .interpolate('linear');\n      return fun(linedata);\n    }\n\n    static _nodeSize(nodes, width, textRenderer) {\n      var maxWidth = 0;\n      var maxHeight = 0;\n      var tmpSvg = document.createElement('svg');\n      document.body.appendChild(tmpSvg);\n\n      _.map(nodes, function(n) {\n        var container = document.createElement('div');\n        container.setAttribute('class', n.class);\n        container.style.visibility = 'hidden';\n        container.style.maxWidth = width + 'px';\n\n        var text = textRenderer(n.name, n.extra, n.textClass);\n        container.innerHTML = text;\n\n        tmpSvg.appendChild(container);\n        var height = container.offsetHeight;\n        tmpSvg.removeChild(container);\n\n        maxHeight = Math.max(maxHeight, height);\n        n.cHeight = height;\n        n.cWidth = width;\n      });\n      document.body.removeChild(tmpSvg);\n\n      return [width, maxHeight];\n    }\n\n    static _nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n      var node = '';\n      node += '<div ';\n      node += 'style=\"height:100%;width:100%;\" ';\n      node += 'class=\"' + nodeClass + '\" ';\n      node += 'id=\"node' + id + '\">\\n';\n      node += textRenderer(name, extra, textClass);\n      node += '</div>';\n      return node;\n    }\n\n    static _textRenderer(name, extra, textClass) {\n      var node = '';\n      node += '<p ';\n      node += 'align=\"center\" ';\n      node += 'class=\"' + textClass + '\">\\n';\n      node += name;\n      node += '</p>\\n';\n      return node;\n    }\n\n    static _debug(msg) {\n      if (TreeBuilder.DEBUG_LEVEL > 0)  {\n        console.log(msg);\n      }\n    }\n\n  }\n\n  const dTree = {\n\n    VERSION: '1.3.2',\n\n    init: function(data, options = {}) {\n\n      var opts = _.defaultsDeep(options || {}, {\n        target: '#graph',\n        debug: false,\n        width: 600,\n        height: 600,\n        callbacks: {\n          nodeClick: function(name, extra, id) {},\n          nodeRenderer: function(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n            return TreeBuilder._nodeRenderer(name, x, y, height, width, extra,\n              id,nodeClass, textClass, textRenderer);\n          },\n          nodeSize: function(nodes, width, textRenderer) {\n            return TreeBuilder._nodeSize(nodes, width, textRenderer);\n          },\n          nodeSorter: function(aName, aExtra, bName, bExtra) {return 0;},\n          textRenderer: function(name, extra, textClass) {\n            return TreeBuilder._textRenderer(name, extra, textClass);\n          },\n        },\n        margin: {\n          top: 0,\n          right: 0,\n          bottom: 0,\n          left: 0\n        },\n        nodeWidth: 100,\n        styles: {\n          node: 'node',\n          linage: 'linage',\n          marriage: 'marriage',\n          text: 'nodeText'\n        }\n      });\n\n      var data = this._preprocess(data, opts);\n      var treeBuilder = new TreeBuilder(data.root, data.siblings, opts);\n      treeBuilder.create();\n\n    },\n\n    _preprocess: function(data, opts) {\n\n      var siblings = [];\n      var id = 0;\n\n      var root = {\n        name: '',\n        id: id++,\n        hidden: true,\n        children: []\n      };\n\n      var reconstructTree = function(person, parent) {\n\n        // convert to person to d3 node\n        var node = {\n          name: person.name,\n          id: id++,\n          hidden: false,\n          children: [],\n          extra: person.extra,\n          textClass: person.textClass ? person.textClass : opts.styles.text,\n          class: person.class ? person.class : opts.styles.node\n        };\n\n        // hide linages to the hidden root node\n        if (parent == root) {\n          node.noParent = true;\n        }\n\n        // apply depth offset\n        for (var i = 0; i < person.depthOffset; i++) {\n          var pushNode = {\n            name: '',\n            id: id++,\n            hidden: true,\n            children: [],\n            noParent: node.noParent\n          };\n          parent.children.push(pushNode);\n          parent = pushNode;\n        }\n\n        // sort children\n        dTree._sortPersons(person.children, opts);\n\n        // add \"direct\" children\n        _.forEach(person.children, function(child) {\n          reconstructTree(child, node);\n        });\n\n        parent.children.push(node);\n\n        // DEPRECATED: Backwards-compatability for v1.x syntax, remove for 2.0\n        if (person.marriage) {\n          console.log('DEPRECATED: The data attribute \"marriage\" is deprecated in favor of \"marriages\" that takes an array. It will be removed in 2.0.');\n          person.marriages = [person.marriage];\n        }\n\n        //sort marriages\n        dTree._sortMarriages(person.marriages, opts);\n\n        // go through marriage\n        _.forEach(person.marriages, function(marriage, index) {\n\n          var m = {\n            name: '',\n            id: id++,\n            hidden: true,\n            noParent: true,\n            children: [],\n            extra: marriage.extra\n          };\n\n          var sp = marriage.spouse;\n\n          var spouse = {\n            name: sp.name,\n            id: id++,\n            hidden: false,\n            noParent: true,\n            children: [],\n            textClass: sp.textClass ? sp.textClass : opts.styles.text,\n            class: sp.class ? sp.class : opts.styles.node,\n            extra: sp.extra\n          };\n\n          parent.children.push(m, spouse);\n\n          dTree._sortPersons(marriage.children, opts);\n          _.forEach(marriage.children, function(child) {\n            reconstructTree(child, m);\n          });\n\n          siblings.push({\n            source: {\n              id: node.id\n            },\n            target: {\n              id: spouse.id\n            },\n            number: index\n          });\n        });\n\n      };\n\n      _.forEach(data, function(person) {\n        reconstructTree(person, root);\n      });\n\n      return {\n        root: root,\n        siblings: siblings\n      };\n\n    },\n\n    _sortPersons: function(persons, opts) {\n      if (persons != undefined) {\n        persons.sort(function(a, b) {\n          return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n        });\n      }\n      return persons;\n    },\n\n    _sortMarriages: function(marriages, opts) {\n      if (marriages != undefined && Array.isArray(marriages)) {\n        marriages.sort(function(marriageA, marriageB) {\n          var a = marriageA.spouse;\n          var b = marriageB.spouse;\n          return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n        });\n      }\n      return marriages;\n    }\n\n  };\n\n  return dTree;\n\n}));"],"sourceRoot":"/source/"}
\ No newline at end of file
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(function () {\n    function TreeBuilder(root, siblings, opts) {\n      _classCallCheck(this, TreeBuilder);\n\n      TreeBuilder.DEBUG_LEVEL = opts.debug ? 1 : 0;\n\n      this.root = root;\n      this.siblings = siblings;\n      this.opts = opts;\n\n      // flatten nodes\n      this.allNodes = this._flatten(this.root);\n\n      // Calculate node size\n      var visibleNodes = _.filter(this.allNodes, function (n) {\n        return !n.hidden;\n      });\n      this.nodeSize = opts.callbacks.nodeSize(visibleNodes, opts.nodeWidth, opts.callbacks.textRenderer);\n    }\n\n    _createClass(TreeBuilder, [{\n      key: 'create',\n      value: function create() {\n\n        var opts = this.opts;\n        var allNodes = this.allNodes;\n        var nodeSize = this.nodeSize;\n\n        var width = opts.width + opts.margin.left + opts.margin.right;\n        var height = opts.height + opts.margin.top + opts.margin.bottom;\n\n        var zoom = d3.zoom().scaleExtent([0.1, 10]).on('zoom', function () {\n          svg.attr('transform', d3.event.transform.translate(width / 2, opts.margin.top));\n        });\n\n        //make an SVG\n        var svg = this.svg = d3.select(opts.target).append('svg').attr('width', width).attr('height', height).call(zoom).append('g').attr('transform', 'translate(' + width / 2 + ',' + opts.margin.top + ')');\n\n        // Compute the layout.\n        this.tree = d3.tree().nodeSize([nodeSize[0] * 2, nodeSize[1] * 2.5]);\n\n        this.tree.separation(function separation(a, b) {\n          if (a.data.hidden || b.data.hidden) {\n            return 0.3;\n          } else {\n            return 0.6;\n          }\n        });\n\n        this._update(this.root);\n      }\n    }, {\n      key: '_update',\n      value: function _update(source) {\n\n        var opts = this.opts;\n        var allNodes = this.allNodes;\n        var nodeSize = this.nodeSize;\n\n        var treenodes = this.tree(source);\n        var links = treenodes.links();\n\n        // Create the link lines.\n        this.svg.selectAll('.link').data(links).enter()\n        // filter links with no parents to prevent empty nodes\n        .filter(function (l) {\n          return !l.target.data.noParent;\n        }).append('path').attr('class', opts.styles.linage).attr('d', this._elbow);\n\n        var nodes = this.svg.selectAll('.node').data(treenodes.descendants()).enter();\n\n        this._linkSiblings();\n\n        // Draw siblings (marriage)\n        this.svg.selectAll('.sibling').data(this.siblings).enter().append('path').attr('class', opts.styles.marriage).attr('d', _.bind(this._siblingLine, this));\n\n        // Create the node rectangles.\n        nodes.append('foreignObject').filter(function (d) {\n          return d.data.hidden ? false : true;\n        }).attr('x', function (d) {\n          return d.x - d.cWidth / 2 + 'px';\n        }).attr('y', function (d) {\n          return d.y - d.cHeight / 2 + 'px';\n        }).attr('width', function (d) {\n          return d.cWidth + 'px';\n        }).attr('height', function (d) {\n          return d.cHeight + 'px';\n        }).attr('id', function (d) {\n          return d.id;\n        }).html(function (d) {\n          return opts.callbacks.nodeRenderer(d.data.name, d.x, d.y, nodeSize[0], nodeSize[1], d.data.extra, d.data.id, d.data['class'], d.data.textClass, opts.callbacks.textRenderer);\n        }).on('click', function (d) {\n          if (d.data.hidden) {\n            return;\n          }\n          opts.callbacks.nodeClick(d.name, d.extra, d.id);\n        });\n      }\n    }, {\n      key: '_flatten',\n      value: function _flatten(root) {\n        var n = [];\n        var i = 0;\n\n        function recurse(node) {\n          if (node.children) {\n            node.children.forEach(recurse);\n          }\n          if (!node.id) {\n            node.id = ++i;\n          }\n          n.push(node);\n        }\n        recurse(root);\n        return n;\n      }\n    }, {\n      key: '_elbow',\n      value: function _elbow(d, i) {\n        if (d.target.data.noParent) {\n          return 'M0,0L0,0';\n        }\n        var ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n\n        var linedata = [{\n          x: d.target.x,\n          y: d.target.y\n        }, {\n          x: d.target.x,\n          y: ny\n        }, {\n          x: d.source.x,\n          y: d.source.y\n        }];\n\n        var fun = d3.line().curve(d3.curveStepAfter).x(function (d) {\n          return d.x;\n        }).y(function (d) {\n          return d.y;\n        });\n        return fun(linedata);\n      }\n    }, {\n      key: '_linkSiblings',\n      value: function _linkSiblings() {\n\n        var allNodes = this.allNodes;\n\n        _.forEach(this.siblings, function (d) {\n          var start = allNodes.filter(function (v) {\n            return d.source.id == v.data.id;\n          });\n          var end = allNodes.filter(function (v) {\n            return d.target.id == v.data.id;\n          });\n          d.source.x = start[0].x;\n          d.source.y = start[0].y;\n          d.target.x = end[0].x;\n          d.target.y = end[0].y;\n        });\n      }\n    }, {\n      key: '_siblingLine',\n      value: function _siblingLine(d, i) {\n\n        var ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n        var nodeWidth = this.nodeSize[0];\n        var nodeHeight = this.nodeSize[1];\n\n        // Not first marriage\n        if (d.number > 0) {\n          ny -= nodeHeight * 8 / 10;\n        }\n\n        var linedata = [{\n          x: d.source.x,\n          y: d.source.y\n        }, {\n          x: d.source.x + nodeWidth * 6 / 10,\n          y: d.source.y\n        }, {\n          x: d.source.x + nodeWidth * 6 / 10,\n          y: ny\n        }, {\n          x: d.target.x - nodeWidth * 6 / 10,\n          y: ny\n        }, {\n          x: d.target.x - nodeWidth * 6 / 10,\n          y: d.target.y\n        }, {\n          x: d.target.x,\n          y: d.target.y\n        }];\n\n        var fun = d3.line().curve(d3.curveStepAfter).x(function (d) {\n          return d.x;\n        }).y(function (d) {\n          return d.y;\n        });\n        return fun(linedata);\n      }\n    }], [{\n      key: '_nodeSize',\n      value: function _nodeSize(nodes, width, textRenderer) {\n        var maxWidth = 0;\n        var maxHeight = 0;\n        var tmpSvg = document.createElement('svg');\n        document.body.appendChild(tmpSvg);\n\n        _.map(nodes, function (n) {\n          var container = document.createElement('div');\n          container.setAttribute('class', n.data['class']);\n          container.style.visibility = 'hidden';\n          container.style.maxWidth = width + 'px';\n\n          var text = textRenderer(n.data.name, n.data.extra, n.data.textClass);\n          container.innerHTML = text;\n\n          tmpSvg.appendChild(container);\n          var height = container.offsetHeight;\n          tmpSvg.removeChild(container);\n\n          maxHeight = Math.max(maxHeight, height);\n          n.cHeight = height;\n          n.cWidth = width;\n        });\n        document.body.removeChild(tmpSvg);\n\n        return [width, maxHeight];\n      }\n    }, {\n      key: '_nodeRenderer',\n      value: function _nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n        var node = '';\n        node += '<div ';\n        node += 'style=\"height:100%;width:100%;\" ';\n        node += 'class=\"' + nodeClass + '\" ';\n        node += 'id=\"node' + id + '\">\\n';\n        node += textRenderer(name, extra, textClass);\n        node += '</div>';\n        return node;\n      }\n    }, {\n      key: '_textRenderer',\n      value: function _textRenderer(name, extra, textClass) {\n        var node = '';\n        node += '<p ';\n        node += 'align=\"center\" ';\n        node += 'class=\"' + textClass + '\">\\n';\n        node += name;\n        node += '</p>\\n';\n        return node;\n      }\n    }, {\n      key: '_debug',\n      value: function _debug(msg) {\n        if (TreeBuilder.DEBUG_LEVEL > 0) {\n          console.log(msg);\n        }\n      }\n    }]);\n\n    return TreeBuilder;\n  })();\n\n  var dTree = {\n\n    VERSION: '2.0.0',\n\n    init: function init(data) {\n      var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];\n\n      var opts = _.defaultsDeep(options || {}, {\n        target: '#graph',\n        debug: false,\n        width: 600,\n        height: 600,\n        callbacks: {\n          nodeClick: function nodeClick(name, extra, id) {},\n          nodeRenderer: function nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n            return TreeBuilder._nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer);\n          },\n          nodeSize: function nodeSize(nodes, width, textRenderer) {\n            return TreeBuilder._nodeSize(nodes, width, textRenderer);\n          },\n          nodeSorter: function nodeSorter(aName, aExtra, bName, bExtra) {\n            return 0;\n          },\n          textRenderer: function textRenderer(name, extra, textClass) {\n            return TreeBuilder._textRenderer(name, extra, textClass);\n          }\n        },\n        margin: {\n          top: 0,\n          right: 0,\n          bottom: 0,\n          left: 0\n        },\n        nodeWidth: 100,\n        styles: {\n          node: 'node',\n          linage: 'linage',\n          marriage: 'marriage',\n          text: 'nodeText'\n        }\n      });\n\n      var data = this._preprocess(data, opts);\n      var treeBuilder = new TreeBuilder(data.root, data.siblings, opts);\n      treeBuilder.create();\n    },\n\n    _preprocess: function _preprocess(data, opts) {\n\n      var siblings = [];\n      var id = 0;\n\n      var root = {\n        name: '',\n        id: id++,\n        hidden: true,\n        children: []\n      };\n\n      var reconstructTree = function reconstructTree(person, parent) {\n\n        // convert to person to d3 node\n        var node = {\n          name: person.name,\n          id: id++,\n          hidden: false,\n          children: [],\n          extra: person.extra,\n          textClass: person.textClass ? person.textClass : opts.styles.text,\n          'class': person['class'] ? person['class'] : opts.styles.node\n        };\n\n        // hide linages to the hidden root node\n        if (parent == root) {\n          node.noParent = true;\n        }\n\n        // apply depth offset\n        for (var i = 0; i < person.depthOffset; i++) {\n          var pushNode = {\n            name: '',\n            id: id++,\n            hidden: true,\n            children: [],\n            noParent: node.noParent\n          };\n          parent.children.push(pushNode);\n          parent = pushNode;\n        }\n\n        // sort children\n        dTree._sortPersons(person.children, opts);\n\n        // add \"direct\" children\n        _.forEach(person.children, function (child) {\n          reconstructTree(child, node);\n        });\n\n        parent.children.push(node);\n\n        //sort marriages\n        dTree._sortMarriages(person.marriages, opts);\n\n        // go through marriage\n        _.forEach(person.marriages, function (marriage, index) {\n\n          var m = {\n            name: '',\n            id: id++,\n            hidden: true,\n            noParent: true,\n            children: [],\n            extra: marriage.extra\n          };\n\n          var sp = marriage.spouse;\n\n          var spouse = {\n            name: sp.name,\n            id: id++,\n            hidden: false,\n            noParent: true,\n            children: [],\n            textClass: sp.textClass ? sp.textClass : opts.styles.text,\n            'class': sp['class'] ? sp['class'] : opts.styles.node,\n            extra: sp.extra\n          };\n\n          parent.children.push(m, spouse);\n\n          dTree._sortPersons(marriage.children, opts);\n          _.forEach(marriage.children, function (child) {\n            reconstructTree(child, m);\n          });\n\n          siblings.push({\n            source: {\n              id: node.id\n            },\n            target: {\n              id: spouse.id\n            },\n            number: index\n          });\n        });\n      };\n\n      _.forEach(data, function (person) {\n        reconstructTree(person, root);\n      });\n\n      return {\n        root: d3.hierarchy(root),\n        siblings: siblings\n      };\n    },\n\n    _sortPersons: function _sortPersons(persons, opts) {\n      if (persons != undefined) {\n        persons.sort(function (a, b) {\n          return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n        });\n      }\n      return persons;\n    },\n\n    _sortMarriages: function _sortMarriages(marriages, opts) {\n      if (marriages != undefined && Array.isArray(marriages)) {\n        marriages.sort(function (marriageA, marriageB) {\n          var a = marriageA.spouse;\n          var b = marriageB.spouse;\n          return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n        });\n      }\n      return marriages;\n    }\n\n  };\n\n  return dTree;\n});\n//# sourceMappingURL=dTree.js.map\n","(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n\ttypeof define === 'function' && define.amd ? define(factory) :\n\t(global.dTree = factory());\n}(this, (function () { 'use strict';\n\nclass TreeBuilder {\n\n  constructor(root, siblings, opts) {\n    TreeBuilder.DEBUG_LEVEL = opts.debug ? 1 : 0;\n\n    this.root = root;\n    this.siblings = siblings;\n    this.opts = opts;\n\n    // flatten nodes\n    this.allNodes = this._flatten(this.root);\n\n    // Calculate node size\n    let visibleNodes = _.filter(this.allNodes, function(n) {\n      return !n.hidden;\n    });\n    this.nodeSize = opts.callbacks.nodeSize(visibleNodes,\n      opts.nodeWidth, opts.callbacks.textRenderer);\n  }\n\n  create() {\n\n    let opts = this.opts;\n    let allNodes = this.allNodes;\n    let nodeSize = this.nodeSize;\n\n    let width = opts.width + opts.margin.left + opts.margin.right;\n    let height = opts.height + opts.margin.top + opts.margin.bottom;\n\n    let zoom = d3.zoom()\n      .scaleExtent([0.1, 10])\n      .on('zoom', function() {\n        svg.attr('transform', d3.event.transform.translate(width / 2, opts.margin.top));\n      });\n\n    //make an SVG\n    let svg = this.svg = d3.select(opts.target)\n      .append('svg')\n      .attr('width', width)\n      .attr('height', height)\n      .call(zoom)\n      .append('g')\n      .attr('transform', 'translate(' + width / 2 + ',' + opts.margin.top + ')');\n\n    // Compute the layout.\n    this.tree = d3.tree()\n      .nodeSize([nodeSize[0] * 2, nodeSize[1] * 2.5]);\n\n    this.tree.separation(function separation(a, b) {\n      if (a.data.hidden || b.data.hidden) {\n        return 0.3;\n      } else {\n        return 0.6;\n      }\n    });\n\n    this._update(this.root);\n\n  }\n\n  _update(source) {\n\n    let opts = this.opts;\n    let allNodes = this.allNodes;\n    let nodeSize = this.nodeSize;\n\n    let treenodes = this.tree(source);\n    let links = treenodes.links();\n\n    // Create the link lines.\n    this.svg.selectAll('.link')\n      .data(links)\n      .enter()\n      // filter links with no parents to prevent empty nodes\n      .filter(function(l) {\n        return !l.target.data.noParent;\n      })\n      .append('path')\n      .attr('class', opts.styles.linage)\n      .attr('d', this._elbow);\n\n    let nodes = this.svg.selectAll('.node')\n      .data(treenodes.descendants())\n      .enter();\n\n    this._linkSiblings();\n\n    // Draw siblings (marriage)\n    this.svg.selectAll('.sibling')\n      .data(this.siblings)\n      .enter()\n      .append('path')\n      .attr('class', opts.styles.marriage)\n      .attr('d', _.bind(this._siblingLine, this));\n\n    // Create the node rectangles.\n    nodes.append('foreignObject')\n      .filter(function(d) {\n        return d.data.hidden ? false : true;\n      })\n      .attr('x', function(d) {\n        return d.x - d.cWidth / 2 + 'px';\n      })\n      .attr('y', function(d) {\n        return d.y - d.cHeight / 2 + 'px';\n      })\n      .attr('width', function(d) {\n        return d.cWidth + 'px';\n      })\n      .attr('height', function(d) {\n        return d.cHeight + 'px';\n      })\n      .attr('id', function(d) {\n        return d.id;\n      })\n      .html(function(d) {\n        return opts.callbacks.nodeRenderer(\n          d.data.name,\n          d.x,\n          d.y,\n          nodeSize[0],\n          nodeSize[1],\n          d.data.extra,\n          d.data.id,\n          d.data.class,\n          d.data.textClass,\n          opts.callbacks.textRenderer);\n      })\n      .on('click', function(d)  {\n        if (d.data.hidden) {\n          return;\n        }\n        opts.callbacks.nodeClick(d.name, d.extra, d.id);\n      });\n  }\n\n  _flatten(root) {\n    let n = [];\n    let i = 0;\n\n    function recurse(node) {\n      if (node.children) {\n        node.children.forEach(recurse);\n      }\n      if (!node.id) {\n        node.id = ++i;\n      }\n      n.push(node);\n    }\n    recurse(root);\n    return n;\n  }\n\n  _elbow(d, i) {\n    if (d.target.data.noParent) {\n      return 'M0,0L0,0';\n    }\n    let ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n\n    let linedata = [{\n      x: d.target.x,\n      y: d.target.y\n    }, {\n      x: d.target.x,\n      y: ny\n    }, {\n      x: d.source.x,\n      y: d.source.y\n    }];\n\n    let fun = d3.line().curve(d3.curveStepAfter)\n      .x(function(d) {\n        return d.x;\n      })\n      .y(function(d) {\n        return d.y;\n      });\n    return fun(linedata);\n  }\n\n  _linkSiblings() {\n\n    let allNodes = this.allNodes;\n\n    _.forEach(this.siblings, function(d) {\n      let start = allNodes.filter(function(v) {\n        return d.source.id == v.data.id;\n      });\n      let end = allNodes.filter(function(v) {\n        return d.target.id == v.data.id;\n      });\n      d.source.x = start[0].x;\n      d.source.y = start[0].y;\n      d.target.x = end[0].x;\n      d.target.y = end[0].y;\n    });\n\n  }\n\n  _siblingLine(d, i) {\n\n    let ny = d.target.y + (d.source.y - d.target.y) * 0.50;\n    let nodeWidth = this.nodeSize[0];\n    let nodeHeight = this.nodeSize[1];\n\n    // Not first marriage\n    if (d.number > 0) {\n      ny -= nodeHeight * 8 / 10;\n    }\n\n    let linedata = [{\n      x: d.source.x,\n      y: d.source.y\n    }, {\n      x: d.source.x + nodeWidth * 6 / 10,\n      y: d.source.y\n    }, {\n      x: d.source.x + nodeWidth * 6 / 10,\n      y: ny\n    }, {\n      x: d.target.x - nodeWidth * 6 / 10,\n      y: ny\n    }, {\n      x: d.target.x - nodeWidth * 6 / 10,\n      y: d.target.y\n    }, {\n      x: d.target.x,\n      y: d.target.y\n    }];\n\n    let fun = d3.line().curve(d3.curveStepAfter)\n      .x(function(d) {\n        return d.x;\n      })\n      .y(function(d) {\n        return d.y;\n      });\n    return fun(linedata);\n  }\n\n  static _nodeSize(nodes, width, textRenderer) {\n    let maxWidth = 0;\n    let maxHeight = 0;\n    let tmpSvg = document.createElement('svg');\n    document.body.appendChild(tmpSvg);\n\n    _.map(nodes, function(n) {\n      let container = document.createElement('div');\n      container.setAttribute('class', n.data.class);\n      container.style.visibility = 'hidden';\n      container.style.maxWidth = width + 'px';\n\n      let text = textRenderer(n.data.name, n.data.extra, n.data.textClass);\n      container.innerHTML = text;\n\n      tmpSvg.appendChild(container);\n      let height = container.offsetHeight;\n      tmpSvg.removeChild(container);\n\n      maxHeight = Math.max(maxHeight, height);\n      n.cHeight = height;\n      n.cWidth = width;\n    });\n    document.body.removeChild(tmpSvg);\n\n    return [width, maxHeight];\n  }\n\n  static _nodeRenderer(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n    let node = '';\n    node += '<div ';\n    node += 'style=\"height:100%;width:100%;\" ';\n    node += 'class=\"' + nodeClass + '\" ';\n    node += 'id=\"node' + id + '\">\\n';\n    node += textRenderer(name, extra, textClass);\n    node += '</div>';\n    return node;\n  }\n\n  static _textRenderer(name, extra, textClass) {\n    let node = '';\n    node += '<p ';\n    node += 'align=\"center\" ';\n    node += 'class=\"' + textClass + '\">\\n';\n    node += name;\n    node += '</p>\\n';\n    return node;\n  }\n\n  static _debug(msg) {\n    if (TreeBuilder.DEBUG_LEVEL > 0)  {\n      console.log(msg);\n    }\n  }\n\n}\n\nconst dTree = {\n\n  VERSION: '2.0.0',\n\n  init: function(data, options = {}) {\n\n    var opts = _.defaultsDeep(options || {}, {\n      target: '#graph',\n      debug: false,\n      width: 600,\n      height: 600,\n      callbacks: {\n        nodeClick: function(name, extra, id) {},\n        nodeRenderer: function(name, x, y, height, width, extra, id, nodeClass, textClass, textRenderer) {\n          return TreeBuilder._nodeRenderer(name, x, y, height, width, extra,\n            id,nodeClass, textClass, textRenderer);\n        },\n        nodeSize: function(nodes, width, textRenderer) {\n          return TreeBuilder._nodeSize(nodes, width, textRenderer);\n        },\n        nodeSorter: function(aName, aExtra, bName, bExtra) {return 0;},\n        textRenderer: function(name, extra, textClass) {\n          return TreeBuilder._textRenderer(name, extra, textClass);\n        },\n      },\n      margin: {\n        top: 0,\n        right: 0,\n        bottom: 0,\n        left: 0\n      },\n      nodeWidth: 100,\n      styles: {\n        node: 'node',\n        linage: 'linage',\n        marriage: 'marriage',\n        text: 'nodeText'\n      }\n    });\n\n    var data = this._preprocess(data, opts);\n    var treeBuilder = new TreeBuilder(data.root, data.siblings, opts);\n    treeBuilder.create();\n\n  },\n\n  _preprocess: function(data, opts) {\n\n    var siblings = [];\n    var id = 0;\n\n    var root = {\n      name: '',\n      id: id++,\n      hidden: true,\n      children: []\n    };\n\n    var reconstructTree = function(person, parent) {\n\n      // convert to person to d3 node\n      var node = {\n        name: person.name,\n        id: id++,\n        hidden: false,\n        children: [],\n        extra: person.extra,\n        textClass: person.textClass ? person.textClass : opts.styles.text,\n        class: person.class ? person.class : opts.styles.node\n      };\n\n      // hide linages to the hidden root node\n      if (parent == root) {\n        node.noParent = true;\n      }\n\n      // apply depth offset\n      for (var i = 0; i < person.depthOffset; i++) {\n        var pushNode = {\n          name: '',\n          id: id++,\n          hidden: true,\n          children: [],\n          noParent: node.noParent\n        };\n        parent.children.push(pushNode);\n        parent = pushNode;\n      }\n\n      // sort children\n      dTree._sortPersons(person.children, opts);\n\n      // add \"direct\" children\n      _.forEach(person.children, function(child) {\n        reconstructTree(child, node);\n      });\n\n      parent.children.push(node);\n\n      //sort marriages\n      dTree._sortMarriages(person.marriages, opts);\n\n      // go through marriage\n      _.forEach(person.marriages, function(marriage, index) {\n\n        var m = {\n          name: '',\n          id: id++,\n          hidden: true,\n          noParent: true,\n          children: [],\n          extra: marriage.extra\n        };\n\n        var sp = marriage.spouse;\n\n        var spouse = {\n          name: sp.name,\n          id: id++,\n          hidden: false,\n          noParent: true,\n          children: [],\n          textClass: sp.textClass ? sp.textClass : opts.styles.text,\n          class: sp.class ? sp.class : opts.styles.node,\n          extra: sp.extra\n        };\n\n        parent.children.push(m, spouse);\n\n        dTree._sortPersons(marriage.children, opts);\n        _.forEach(marriage.children, function(child) {\n          reconstructTree(child, m);\n        });\n\n        siblings.push({\n          source: {\n            id: node.id\n          },\n          target: {\n            id: spouse.id\n          },\n          number: index\n        });\n      });\n\n    };\n\n    _.forEach(data, function(person) {\n      reconstructTree(person, root);\n    });\n\n    return {\n      root: d3.hierarchy(root),\n      siblings: siblings\n    };\n\n  },\n\n  _sortPersons: function(persons, opts) {\n    if (persons != undefined) {\n      persons.sort(function(a, b) {\n        return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n      });\n    }\n    return persons;\n  },\n\n  _sortMarriages: function(marriages, opts) {\n    if (marriages != undefined && Array.isArray(marriages)) {\n      marriages.sort(function(marriageA, marriageB) {\n        var a = marriageA.spouse;\n        var b = marriageB.spouse;\n        return opts.callbacks.nodeSorter(a.name, a.extra, b.name, b.extra);\n      });\n    }\n    return marriages;\n  }\n\n};\n\nreturn dTree;\n\n})));\n"]}
\ No newline at end of file
diff --git a/package.json b/package.json
index 114fc3f..a968b7e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "d3-dtree",
-  "version": "1.3.2",
+  "version": "2.0.0",
   "description": "A library for visualizing data trees built on top of D3.",
   "main": "dist/dTree.js",
   "scripts": {