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

William was born in 1274 in Of,,Sussex,England.  William's father was Henry De Percy and his mother was Eleanor Plantagenet De Warrenne.  His maternal grandparents were John De Warrenne and Alice De Lusignan. He had two brothers named John and Henry.

Sources/Citations
Ancestral File (TM), GEDCOM File : 46438.ged, GEDCOM File : rowland2.ged