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William V, Duke of Jülich

William V, Duke of Jülich
Spouse(s) Joanna of Hainaut
Noble family House of Jülich
Father Gerhard V of Jülich
Mother Elisabeth of Brabant-Aarschot
Born c.  1299
Died 26 February 1361(1361-02-26)

William V, Duke of Jülich (c.  1299 – 25/26 February 1361) was a German nobleman. Some authors call him William I, because he was the first Duke of Jülich; the earlier Williams had been Count of Jülich. Other authors call the subject of this article "William VI"; they count the son and co-ruler of William IV as William V.

William V was the eldest son of Gerhard V of Jülich and Elisabeth of Brabant-Aarschot, daughter of Godfrey of Brabant.

William V was a key political figure of his time, being a brother-in-law to both Edward III of England and Emperor Ludwig IV. He spent enormous sums of money to have his brother Walram of Jülich appointed as Archbishop of Cologne over Adolph II of the Marck. In 1337 he was crucially involved in the German-English alliance which caused the start of the Hundred Years' War. William was an important supporter of Emperor Ludwig and for a time, he supported the Habsburgs against the House of Luxembourg in the Carinthian war of succession. Upon the collapse of the German-English alliance and the death of his brother-in-law, William switched his allegiance to Emperor Charles IV. In 1352 he initiated an inheritance tax on Heinsberg-Valkenburg/Monschau. William won important positions through his Archbishop brother and also served for a time as a field captain for Flanders in the Hundred Years' War. His sons fought against him during an uprising of part of the Jülich knighthood which opposed inclusion in the increasing territorial state, and he was imprisoned by them in 1349, but released in 1351 due to public pressure.


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