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Male Jean De Avesnes Click to view Jean De Avesnes in the family tree

Jean De was born about 1241 in Of,Beaumont,Hainaut,Belgium.  Jean De's father was Baudouin Count Of Avesnes and his mother was Fbelicitbe de Coucy.  His paternal grandparents were Burchard de Avesnes and Margaret II Cts de Flanders; his maternal grandparents were Thomas II De Coucy Vervins and Mahaut (Mathilde) De Rethel. He had a sister named Beatrice de.  He was the older of the two children.  He died on February 18th, 1283.

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Ancestral File (R)

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