Avesnes, Pas-De-Calais, France // Hainaut (=Henegouwen), Belgium
Marie de Hainaut
Henri D' Avesnes
Alix d' Avesnes
Marguerite (Avesnes) Capet
Isabelle D' Avesnes
Jean (Avesnes) Hainaut
Jeanne D' Avesnes
Unknown (D Hainaut) Hainaut
Valeran de (Hainault) Hainaut
Marie (Avesnes) Hainaut
Hendrik van Holland
Mechteld (van Heemstede) Heemstede
Simon D' Avesnes Seigneur
Aleidis (de Avesnes) Avesnes
Ida D' Avesnes
[date unknown] [location unknown]
Johanna (Avesnes) Holland
Sibylla d' Avesnes
Philippa (Hainaut) of Hainault
Margaretha III (Avesnes) Holland
Jean (Avesnes) d' Avesnes
Guillaume II-IV (Avesnes) Hainaut
Elisabeth Or Isabella (d'Avesnes) Avesnes
Agnes d' Avesnes
Catherine (D Avesnes) Avesnes
Jan Aelman van de Poele
Jan (Van de Poel) Van Den Poele
Louis d' (Avesnes) Holland
Died June 7, 1337
Valenciennes, Nord-Pas-de-Calais, France
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William III, Count of Hainaut (1286 - 7 June 1337) was Count William III of Avesnes, Count William III of Holland and Count William II of Zeeland from 1304 to his death.
He is son of John II, Count of Hainaut and Philippa of Luxembourg
He married Jeanne de Valois (Joan of Valois) before 1311. They had eight children:
William II, Count of Hainaut (1307-1345)
John (died 1316)
Margaret II, Countess of Hainaut (1311-1356), married Louis IV, Holy Roman Emperor
Philippa of Hainault (1311-1369), married King Edward III of England
Agnes (died 1327)
Joanna of Hainaut (1315-1374), married William V, Duke of Jülich
Isabelle of Hainaut (1323-1361), married Robert of Namur
He had seven other children with Trude Boudijnsdotter van de Poule and other mistresses.
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