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Male Guilliam  I de Belleme Click to view Guilliam  I de Belleme in the family tree

Guilliam  I was born in 0965.  Guilliam  I's father was Yves de Creil de Belleme and his mother was Gohilda de Ponthieu.  His paternal grandfather was Count Fulk de Belesme; his maternal grandparents were Hildouin de Ponthieu and Hersende UNKNOWN.  He was an only child.  He died at the age of 63 in 1028.


Guilliam  I's family with Matilda de Ganelon

They had a son named Guilliam  II.

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