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William II, Count of Hainaut
William II, Count of Hainaut
Personal details
Born 1307
Died 26 September 1345(1345-09-26)
Warns, near Stavoren
Spouse(s) Joanna, Duchess of Brabant

William II, Count of Hainaut (1307 – 26 September 1345 at Warns, near Stavoren) was William IV of Avesnes, William IV of Holland and William III of Zeeland from 1337 to his death, succeeding his father, William I. He married Joanna, Duchess of Brabant and Limburg in 1334, but had no issue.[1]

Military career and death

William fought in France as ally of the English (he was the brother in law of Edward III). He went on crusade against the Saracens and the Lithuanians. He besieged Utrecht, because his one time favourite bishop John van Arkel of Utrecht had turned against him. He died during one of the battles of Warns against the Frisians in 1345.

After his death

William was succeeded by his sister, who was married to emperor Louis IV. Hainaut, Holland and Zeeland became a part of the imperial crown domains.


See also

William II, Count of Hainaut
House of Avesnes
Born: 1307 Died: 26 September 1345
Preceded by
William I
Count of Hainaut Hainaut Modern Arms.svg
Succeeded by
Louis the Bavarian and Margaret II
Count of Holland Counts of Holland Arms.svg and Zeeland Coatofarmszeeland.PNG


  1. Detlev Schwennicke, Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten, Neue Folge, Band II (Marburg, Germany: Verlag von J. A. Stargardt, 1984), Tafel 4

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