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

William was born in 1088.1  William's father was 2nd Baron de Percy Alan de Percy and his mother was Emma de Gaunt.  His paternal grandparents were Baron William de Percy and Emma de Port; his maternal grandparents were Gilbert de Gaunt and Alice de Montfort. He had a brother named Arnolde.  He was the younger of the two children.

Family Details of William's family with Alice de Ros

1 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I67251&style=TABLE

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