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

William De was born in 1274 in Of, , Sussex, England.  William De's father was Henry De PERCY and his mother was Eleanor PLANTAGENET.  His maternal grandparents were John PLANTAGENET and Alice LUSIGNAN (DE BRIEN). He had two brothers named John De and Henry De.  He is the youngest of the three children.

Source/Citation
Ancestral File (R)


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