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

William was born in 1185 in Alnwick, Northumberland, England.  William's father was Henry De Percy and his mother was Isabel De Brus.  His paternal grandparents were Joscelyn De Louvain Brabant and Agnes De Percy; his maternal grandfather was Adam De Brus and his maternal grandmother is Joanna De Meschines. He had a brother named Henry.  He was the younger of the two children.  He died at the age of 60 in 1245.


William's first family with Joan De Briwere

They had a daughter named Anastasia.


William's second family with Eleanor De Baliol

They had seven sons named Ingelram, Alan, Walter, William, Josceline, Geoffrey and Henry I.

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