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Male Guillaume IV Sans Terre De Flandres Click to view Guillaume IV Sans Terre De Flandres in the family tree

Guillaume IV Sans Terre was born in 1250.  Guillaume IV Sans Terre's father was Guy De Dampierre and his mother was Mathilde De Béthune.  His paternal grandparents were Guillaume II De Dampierre and Marguerite De Flandres; his maternal grandparents were Robert VII De Béthune and Isabeau De Morialmes. He had a half-sister named Isabeau.  He died at the age of 61 in 1311.


Guillaume IV Sans Terre's family with Alix De Clermont De Nesle

‌Guillaume IV Sans Terre and Alix were married in a religious ceremony in 1286.  They had a son and a daughter, named Jean and Marie.

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