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Male William III De Bethune Click to view William III De Bethune in the family tree

William III De was born about 1190 in Bethune, Pas DE Calais, Normandy, France.  William III De's father was William II De Bethune and his mother was Mahaut Countess De Tenremond.  His paternal grandparents were Robert V Comte De Bethune and Adelaide De St Pol; his maternal grandparents were Gauthier III Comte De Tenremond and Alix De Molembeque Rosoy. He had a brother named Robert VII Comte De.  He was the older of the two children.  He died in 1278.


William III De's family with Isabelle De Husse De Pontrohart

They had a daughter named Mahaut De.

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