William I, Duke of Bavaria

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William I, Duke of Bavaria-Straubing (Frankfurt am Main, 12 May 1330 – 15 April 1389, Le Quesnoy), was the second son of the emperor Louis IV the Bavarian from his second wife Margaret of Holland and Hainaut. He was also known as William V, Count of Holland, as William III, Count of Hainaut and as William IV, Count of Zeeland.

Biography[edit]

Holland, Gold florin of William of Bavaria, struck between 1350-1389 as William V, Count of Holland.

In 1345 William's father was conferring Hainaut, Holland, Zeeland and Friesland upon his wife Margaret, and shortly later also upon their son William. After his father's death in 1347 William ruled Bavaria, Holland and Hainaut together with his five brothers until 1349. With the first division of the Wittelsbach possessions in 1349 he received Hainaut, Holland and Lower Bavaria together with his brothers Stephen II and Albert I. After the next division of Bavaria in 1353 he ruled together with his younger brother Albert I in Bavaria-Straubing, Holland and Hainaut.

William had engaged in a long struggle with his mother Margaret, obtaining Holland and Zeeland from her in 1354, and Hainaut on her death in 1356.

In 1350, the nobles of Holland asked Margaret to return to Holland again. She then battled for the power in Holland and Hainaut for some years with her son William who refused to pay her alimony. The Cod league was formed on 23 May 1350 by a number of supporters of William. On 5 September the same year, the Hook league was formed. Soon afterward, these factions clashed, and a civil war began.

Edward III of England, Margaret's brother in law through her sister Philippa of Hainault, came to her aid, winning a naval engagement off Veere in 1351; a few weeks later the Hooks and their English allies were defeated by William and the Cods at Vlaardingen, an overthrow which ruined Margaret's cause. Edward III shortly afterwards changed sides, and the empress saw herself compelled (1354) to come to an understanding with her son, he being recognized as count of Holland and Zeeland, she of Hainaut. Margaret died two years later, leaving William in possession of the entire Holland-Hainaut inheritance (July 1356). William was married to Matilda ("Maud" in the English style) of Lancaster, sister to Blanche of Lancaster.

In 1357, William began to show signs of insanity, going so far as to attack and kill one of his knights (Gerard van Wateringe) for no apparent reason, before he could be restrained. His brother Albert assumed the regency in Holland and Hainaut in 1358. William was confined to Castle Le Quesnoy for the remainder of his life.

Family and children[edit]

Coats of Arms of the Counts of Hainaut and Holland of Wittelsbach family.

He married Matilda of Lancaster, daughter of Henry of Grosmont, 1st Duke of Lancaster and Isabel de Beaumont in London in 1352.[1] They had only one daughter, who died in 1356.

Also, he had illegitimate children:

  1. Wilhelm, married 1398 Lisbeth Hughe.
  2. Elisabeth, married Brustijn van Herwijnen, lord of Stavenisse.

He was succeeded by his brother Albert in 1389.

Ancestors[edit]

See also[edit]

References[edit]

  1. ^ Burke's Guide to the Royal Family. Burke's Peerage Ltd., London. 1973. p. 196. ISBN 0220662223. 
William I, Duke of Bavaria
Born: 1330 Died: 1389
German royalty
Regnal titles
Preceded by
Louis IV
Duke of Bavaria
jointly with Louis V, Stephen II, Louis VI, Albert I, Otto V

1347–1349
Succeeded by
partitioned into Upper and Lower Bavaria
Preceded by
created from Bavaria
Duke of Lower Bavaria
jointly with Stephen II and Albert I

1349–1353
Succeeded by
partitioned into Bavaria-Landshut and Bavaria-Straubing
Preceded by
created from Lower Bavaria
Duke of Bavaria-Straubing
1353–1388
with Albert of Holland
Succeeded by
Albert
Preceded by
Margaret
Count of Holland Counts of Holland Arms.svg and Zeeland Coatofarmszeeland.PNG
1354–1388
Count of Hainaut Hainaut Modern Arms.svg
1356–1388