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Male WILLIAM III (3rd Count) de AVESNES Click to view WILLIAM III (3rd Count) de AVESNES in the family tree

WILLIAM III (3rd Count) was born about 1268.1   WILLIAM III (3rd Count)'s father was JOHN (Jean) I (2nd Count) de AVESNES and his mother was PHILIPPA de LUXEMBURG.  His paternal grandparents were JOHN (Jean) (Count) de AVESNES and ADELHEID HEIRESS de HOLLAND; his maternal grandparents were HENRY III COUNT de LUXEMBURG and MARGURITE (Matilda) de BAR. He had four brothers and seven sisters, named Henry Canon Cambrai, Jean Signeur de Beaumont, John Signeur de Beaumont, Simon, MARIE, Alix, Isabelle, Jeanne (Nun), Margaret, Marie and Matilda Abess de Nivelles.  He died on June 7th, 1337.1 

WILLIAM III (3rd Count)'s family with JEANNE COUNTESS de VALOIS

‌WILLIAM III (3rd Count) and JEANNE COUNTESS were married in a religious ceremony on May 19th, 1305.1   They had three sons and four daughters, named John, Louis, William IV COUNT de HAINAULT &, PHILIPPA, Isabelle, Joanna and Margaret Countess de HAINAULT &.

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