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

William de was born about 1132 in Whitby, Yorkshire, England.  William de's father was William de PERCY and his mother was Alice (Adeliza) de CLARE.  His paternal grandparents were Allan (Algernon) de PERCY and Emma (Gant) de GAUNT; his maternal grandparents were Richard  Fitzgilbert de CLARE and Alice of CHESTER.  He was an only child.


William de's family

He had a biological daughter named Alice de.