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    <p>I'll throw one more answer in, although the answers above are all in the ballpark.</p> <p>Let's assume you want to work on all browsers. If you need to work on Internet Explorer, and you code your own Canvas solution, you may want to include <a href="http://excanvas.sourceforge.net/" rel="nofollow noreferrer">ExplorerCanvas</a>.</p> <p>Family trees are essentially binary trees -- I know, real life is tricky with adoptions, divorces, ugh, but let's just assume for a second that they're binary going in one direction (ancestors) from a particular person.</p> <p>A good tool that uses Canvas, has the bridge to work on IE included, and uses a simple and general data format is the JavaScript InfoVis Toolkit.</p> <p>Check out the sample at: <a href="http://thejit.org/static/v20/Jit/Examples/Spacetree/example2.html" rel="nofollow noreferrer">http://thejit.org/static/v20/Jit/Examples/Spacetree/example2.html</a></p> <p>It may not be exactly what you want out of the box, but you can tweak the look and feel.</p> <p>The data payload to plug-in is very simple, and your example would look something like this:</p> <pre><code>var tree = { id: "ME", // Needs to be internally unique name: "ME", // Visual label, does not need to match id data: {}, // not really used here, but parameter needed children: [ {id: "DAD", name: "DAD", data: {}, children: [ {id: "GrDAD1", name: "GrDAD1", data: {}, children: []}, {id: "GrMOM1", name: "GrMOM1", data: {}, children: []}, ]}, {id: "MOM", name: "MOM", data: {}, children: [ {id: "GrDAD2", name: "GrDAD2", data: {}, children: []}, {id: "GrMOM2", name: "GrMOM2", data: {}, children: []}, ]} ] }; </code></pre> <p>I'm sure there are other solutions out there, and I hope you find one that works for you.</p>
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    1. POHow do I draw the lines of a family tree using HTML CSS?
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    2. COThe URL has been changed so your link doesn't work any more. [Here](http://thejit.org/static/v20/Jit/Examples/Spacetree/example2.html) is the updated link and [JIT demos](http://thejit.org/demos/) for future reference.
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