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Male William Vl Baron von Percy Click to view William Vl Baron von Percy in the family tree

William Vl Baron was born about 1193 in Alnwick, Northumberland, England.1   William Vl Baron's father was Henry Percy and his mother was Isabel De Brus.  His paternal grandparents were Josceline von Louvain and Agnes De Percy; his maternal grandparents were Adam II De Brus and Agnes Countess von Aumale. He had two brothers and four sisters, named Radulf, Richard, Lucy, Maud, Eleanor and Joscelin.  He died on July 28th, 1245.1 

Family Details of William Vl Baron's family with Joan De Briwere

Family Details of William Vl Baron's family with Ellen De Baliol

1 World Family Tree Vol. 9, Ed. 1 @ Tree #0120

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