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

William was born in 1112 in Alnwick, Northumberland, England.  William's father is William De Percy and his mother is Alice De Ros.  His paternal grandparents were Alan De Percy and Emma De Gant; his maternal grandfather is Everard De Ros. He had three brothers named Robert, Alan and Richard.  He was the oldest of the four children. He had two half-brothers and two half-sisters, named Walter, Robert, Alice and Emma.  He died at the age of 56 in 1168 in Topcliffe, Yorkshire, England.


William's family with Adelize De Clare

They had four sons and five daughters, named Walter, Richard, William III, Alan, Ada, Agnes, Maud, Alice and Emma.

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