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Male Guillaume d'Alencon II Click to view Guillaume d'Alencon II in the family tree

Guillaume was born in 0998 in Belleme, Perche, France.  Guillaume's father was Count Guillaume d'Alencon I of Sannois and his mother is Matilda de Ganelon.  His paternal grandparents were Sgn William de Beleme de Saonnois and Dame Mathilde de Conde-Noirau; his maternal grandfather is Arnulf de Ganelon. He had a brother named Enricule.  He died at the age of 72 in 1070.


Guillaume's family with Hildeberge de Beaumont

‌Guillaume and Hildeberge were married in a religious ceremony in 1019.  They had a daughter named Mabel.

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