William I, Marquis of Namur

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William I, Marquis of Namur
Spouse(s) Jeanne of Hainault
Catherine of Savoy
Noble family House of Dampierre
Father John I, Marquis of Namur
Mother Mary of Artois
Born 1324
Died 1 October 1391(1391-10-01)

William I, Marquis of Namur, the Rich, (1324 – 1 October 1391) was Count of Namur from 1337 until his death.

Life[edit]

He was the fifth son of John I and Mary of Artois. Because his four elder brothers all died childless between 1333 and 1337, he still became Marquis of Namur.

William participated in the Hundred Years' War on the side of the English. Despite this, Namur itself remained at peace, except for a revolt of the weavers in 1351. He was defeated and taken prisoner in the Battle of Baesweiler in 1371.

Thanks to the fortune, first of his mother and then of his wife, William was able to buy several territories which enlarged the Marquisate. In 1362 he obtained from Charles IV, Holy Roman Emperor that Namur depended directly from the Holy Roman Empire and ceased to be a vassal of the County of Hainaut. He also developed the mining and forging industries, as well as commerce.

Marriage and children[edit]

He first married on 13 February 1348 with Jeanne of Hainault, daughter of John of Beaumont and Margaret of Soissons. Jeanne died 2 years later form the Black Death without children.

William remarried in March 1352 with Catherine of Savoy, daughter of Louis II of Savoy, baron of Vaud, and Isabella of Châlon. They had 3 children :

William also had several illegitimate children.

Ancestors[edit]

William I, Marquis of Namur
Born: 1324 Died: 1 October 1391
Preceded by
Philip III
Marquis of Namur Namur Arms.svg
1337–1391
Succeeded by
William II