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

William was born in 1062 in Rycott, Oxford, England.  William's father was Earl Of Essex Geoffrey De Mandeville Earl Of Essex and his mother was Adeliza De Balts. He had two brothers and a sister, named Geoffrey, Ernulf and Beatrice.  He was the second oldest of the four children.  He died at the age of 68 in 1130 in England.


William's family with Margaret De Rie

‌William and Margaret were married in a religious ceremony about 1083.  They had a daughter named Beatrice.

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