Board Thread:Support Requests - Getting Technical/@comment-26335203-20170212091632/@comment-25390652-20170212105754

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A few other examples:
 * http://harrypotter.wikia.com/wiki/Template:Riddlefamilytree
 * http://gameofthrones.wikia.com/wiki/Template:House_Baratheon_family_tree

You can also create an image in Paint or Photoshop, and just use the Image Map extension, that would be the easiest way, imo.