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

William was born about 1126.  William's father was Geoffrey De Mandeville and his mother was Rohese De Vere.  His paternal grandparents were William de Mandeville and Margaret de Rie; his maternal grandparents were Alberic II de Vere and Adeliza de Clare. He had three brothers and two sisters, named Ernulph, Robert, Geoffrey II, Maud and Alice.  He was the second oldest of the six children. He had a half-brother and three half-sisters, named Simon, Beatrice, Andeline and Alice.

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