William IV, Count of Holland
| William II, Count of Hainaut | |
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William II, Count of Hainaut
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| Spouse(s) | Joanna, Duchess of Brabant |
| Noble family | House of Avesnes |
| Father | William I, Count of Hainaut |
| Mother | Joan of Valois |
| Born | 1307 |
| Died | 26 September 1345 Warns, near Stavoren |
William II, Count of Hainaut (1307 – 26 September 1345) 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.
William fought in France as an 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 at Warns, near Stavoren, during one of the battles of Warns against the Frisians in 1345.
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.
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Wikipedia