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

William De was born about 1062 in Rycote, Oxfordshire, England.  William De's father was Geoffrey De Mandeville and his mother was Adeliza De Balts. He had a sister named Beatrice De.  He was the older of the two children.  He died in 1130 in England.


William De's family with Margaret De Rie

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

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