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Male Sir William De Mortimer Click to view Sir William De Mortimer in the family tree

Sir William was born about 1269 in King's Nympton, Devonshire, England.  Sir William's father was Robert De Mortimer and his mother was Joyce La Zouche.  His paternal grandfather was Hugh De Mortimer; his maternal grandparents were William La Zouche and Maud De Mortimer. He had a brother and a sister, named Hugh and Isabel.  He was the oldest of the three children.


Sir William's first family with Alianor (Eleanor) de Clare

‌Sir William and Alianor (Eleanor) were married in a religious ceremony.


Sir William's second family with Alice De Toeni

They had a son and a daughter, named Alan and Joyce.

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