Family history researchers have uncovered evidence that the Duchess and the British-Irish singer, best known for his hit The Lady in Red, share a common ancestor in Edward III.

Niall Gibbons, the chief executive of Tourism Ireland, said at a genealogy roadshow last week that the duchess's links to Ireland had been authenticated. Experts believe that Kate’s father, Michael Middleton, is almost certainly related to Edward III through his links to William Fairfax, a 16th-century nobleman.

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