William II, Duke of Bavaria

Duke William II of Bavaria-Straubing KG (5 April 1365—31 May 1417) was also count William VI of Holland, count William IV of Hainaut and count William V of Zeeland. He ruled from 1404 until 1417, when he died from an infection caused by a dog bite. William was a son of Albert I and Margaret of Brieg.


William, allied with the Hooks, was in conflict with his father until 1394. In 1404 he succeeded him as Count of Holland, Zeeland and Hainaut and duke of Bavaria-Straubing.

In 1408 in the Battle of Othée William and John of Burgundy defeated together with Louis VII, Duke of Bavaria the citizens of Liege who revolted against William's brother John of Bavaria, the bishop of Liège. As a result, he was no longer, as count of Hainaut, obliged to pay homage to the bishop. William's reign was marked by internal strife within the county of Holland. In particular, Lord John V of Arkel supported William's enemies in Holland. William conquered Arkel in 1412, at which point John accepted his defeat and Arkel was annexed by Holland.

William claimed Friesland as the count of Holland. Duke William I of Bavaria-Straubing had previously sent five expeditions to conquer Friesland. Only Stavoren was captured in 1398. William II also sent expeditions to the region but Stavoren was regained by the Frisians in 1414. Prior to his death, William ensured his nobles swore allegiance to his only daughter, Jacqueline. Jacqueline was the only child by his wife Margaret of Burgundy, a daughter of Philip the Bold whom he married in 1385, at the Burgundian double wedding in Cambrai, at the same time his sister, Margaret of Bavaria, married John the Fearless.

However, on William's death in 1417, a war of succession broke out between his brother John, the bishop of Liège and his daughter Jacqueline of Hainaut. This would be the last episode of the Hook and Cod wars and finally place Holland and Hainaut into Burgundian hands. The duchy of Bavaria-Straubing was divided between the dukes of Bavaria, the major portion went to Bavaria-Munich in 1429.


See also


  1. de Sousa, Antonio Caetano (1735). Historia genealogica da casa real portugueza (in Portuguese). Lisbon: Lisboa Occidental. p. 147.
  2. Suckale, Robert; Crossley, Paul (2005). Prague: The Crown of Bohemia, 1347-1437. Metropolitan Museum of Art. p. 16. ISBN 9781588391612. Retrieved 23 October 2018.
William II, Duke of Bavaria
Born: 1365 Died: 1417
Regnal titles
Preceded by
Albert I and Albert II
Duke of Bavaria-Straubing
Succeeded by
John III
Preceded by
Albert I
Count of Hainaut , Holland and Zeeland
Succeeded by
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