Background
He was the son of Siegfried I of Luxembourg and Hedwige of Nordgau.
He was the son of Siegfried I of Luxembourg and Hedwige of Nordgau.
He was the advocate of the abbeys of Saint-Maximin of Trier and Saint-Willibrord of Echternach, hereditary titles within his family. In 1004, at the Diet of Ratisbon, he received Bavaria from his brother-in-law, the Emperor Henry II, who was also the duke of Bavaria. In a quarrel with the emperor in 1009, he withdrew him from the duchy but reinstated him in 1017.