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Male Guillaume IV De Dampierre Click to view Guillaume IV De Dampierre in the family tree

Guillaume IV was born about 1255 in Dendermonde Richebourg, France.  Guillaume IV's father was Guy De Dampierre and his mother was Mathilde De Bethune.  His paternal grandparents were Guillaume II De Dampierre and Countess Of Flanders & Hainault Marguerite; his maternal grandfather was Robert VII De Bethune. He had a brother named Robert III.  He was the younger of the two children. He had a half-brother and two half-sisters, named Jean I, Marguerite and Isabel.  He died in 1311 in Dampierre, Jura, France.


Guillaume IV's family with Alix de Clermont

They had two sons named Jean and Guy V.

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