Geni is a collaborative geneology service that enables users to work together to solve generated by creating a single World Family Tree. All of the data in this infographic was collected from the shared knowledge of millions of Geni users who have worked together to assemble one of the greatest geneology resources that has ever existed. Following up on the post about Prince William's ancestry, I see that www.Geni.com has provided an interesting graphic on their The Genealogy of the Royal Family page.