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Male William De Percy Click to view William De Percy in the family tree

William was born in 1092 in Alnwick, Northumberland, England.  William's father was Alan De Percy and his mother was Emma De Gant.  His paternal grandfather was William De Percy and his paternal grandmother is Emma De Port; his maternal grandfather was Gilbert De Gant and his maternal grandmother is Alice De Montfort.  He is an only child.


William's first family with Alice De Ros

They had four sons named William, Robert, Alan and Richard.


William's second family with Sibyl De Valognes

They have two sons and two daughters, named Walter, Robert, Alice and Emma.

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