William I, Count of Luxembourg (1081–1131) was Count of Luxembourg from 1096 until his death in 1131, succeeding his elder brother Henry III of Luxembourg. They were both sons of Conrad I and Clementia of Aquitaine. William was the first of his family to use the title Count of Luxembourg in his documents.
Like his predecessors, William was embroiled in debates with Bruno, the Archbishop of Trier, in 1122 and 1127, leading to William's excommunication.
Around 1105 he married Mathilde or Luitgarde of Northeim, daughter of Kuno, Count of Beichlingen, with whom he had three children:
- Conrad II († 1136), Count of Luxembourg
- William, Count of Gleiberg, documented in 1131 and in 1158
- Liutgarde (* 1120 - † 1170), married Henri II (* 1125 - † 1211), Count of Grandpré
Upon his death in 1131, William was succeeded as Count of Luxembourg by his eldest son Conrad II.
References
- Gades 1951, p. 58.
- Gades 1951, p. 59.
- ^ Gades 1951, p. 60.
- Gilbert of Mons 2005, p. 38.
Sources
- Gades, John A. (1951). Luxembourg in the Middle Ages. Brill.
- Gilbert of Mons (2005). Chronicle of Hainaut. Translated by Napran, Laura. The Boydell Press.
| William, Count of Luxembourg Elder House of LuxemburgBorn: 1081 Died: 1131 | ||
| Preceded byHenry III | Count of Luxembourg 1096–1131 |
Succeeded byConrad II |
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