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Male William III d' Avesnes , Count of Hainault Click to view William III d' Avesnes , Count of Hainault in the family tree

William III d' was born about 1286 in Avesnes, Pas-de-Calais, France.  William III d''s father was John II d' Avesnes , Count of Hainault and his mother was Philippa de Luxembourg.  His paternal grandparents were John I d' Avesnes , Count of Holland and Adelaide (Aleidis) of Holland; his maternal grandparents were Henry V "The Blonde" Count of Luxembourg and Marguerite de Bar. He had two sisters named Marguerite d' and Marie de.  He was the youngest of the three children.  He died on June 7th, 1337 in Valenciennes, Nord, Nord-Pas-de-Calais, France.


William III d''s family with Jeanne de Valois

‌William III d' and Jeanne de were married in a religious ceremony on May 23rd, 1305 in Chanay, Aisne, Picardy, France.  They had five daughters named Johanna de, Margaretha d', Philippa d', Elizabeth d' and Catherine d'.

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