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

William de was born about 1058 in Manneville, Seine-Inferieure, Normandy, France.  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 about 1130 in Great Waltham, Essex, England.


William de's family with Margaret de Rye

‌William de and Margaret de were married in a religious ceremony about 1083 in England.  They had a son and a daughter, named Geoffrey de and Beatrice de.

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