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Male Guillaume De Beaumanoir Click to view Guillaume De Beaumanoir in the family tree

Guillaume was born about 1360.  Guillaume's father was Robert Raoul De Beaumanoir and his mother was Thiennette De Besso.  His paternal grandparents were Jean II De Beaumanoir and Marie De Dinan; his maternal grandfather was Olivier De Besso.  He was an only child.


Guillaume's family with Jeanne Girard

‌Guillaume and Jeanne were married in a religious ceremony in 1390.  They had a son named Jean.

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