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

William was born in 1228 in Alwick, Northumberland, England.1   William's father was William De Percy and his mother was Eleanor de Baliol.  His paternal grandparents were Sir Henry de Percy and Isabel de Brus; his maternal grandparents were Ingleham de Baliol and Agnes de Berkeley. He had two brothers named Henry and Walter. He had three half-sisters named Alice, Anastasia and Agnes.  He died at the age of 43 on November 2nd, 1271 in Kildale, Yorkshire, England.1 

Family Details of William's family with Christian de Lindsay

1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I055608&style=TABLE

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