can you name them?
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where is warkworth castle? Warkworth, Northumberland in England who is the last duke of this place? Ralph George Algernon Percy - 12th Duke of Northumberland who was this duke married to? Jane Richard did he have children? Yes - 4 children
wiki:13828700
Ralph Percy, 12th Duke of Northumberland [SEP] Marriage and children
Northumberland married Jane Richard on 21 July 1979 at Traquair Parish Church. They have four children: