William I, Marquis of Namur

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

William I, Marquis of Namur
Born1324
Died(1391-10-01)1 October 1391
Noble familyHouse of Dampierre
Spouse(s)Jeanne of Hainault
Catherine of Savoy-Vaud
FatherJohn I, Marquis of Namur
MotherMarie of Artois

Life

He was the fifth son of John I, Marquis of Namur, and Marie of Artois.

Because his four elder brothers all died childless between 1333 and 1337, he still became Marquis of Namur. Because he was a minor when he became Marquis, his mother ruled as regent until he became of age.[1]

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.

Family

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 Vaud and Isabella of Châlon. They had 3 children :

William also had several illegitimate children.

References
  1. E. Bernays , Marie d'Artois, comtesse de Namur, dame de l'Écluse et de Poilvache, i Annales de la Société archéologique de Namur 37 (1925)

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