965 AD
6 October 1019(1019-10-06) (aged 53–54)
House of Ardenne–Luxembourg
Irmtrud of Wetterau
Henry VII, Duke of Bavaria Frederick, Duke of Lower Lorraine Giselbert of Luxembourg Adalbero III of Luxembourg Ogive, Countess of Flanders Imiza, Countess of Swabia
Sigfried, Count of the Ardennes
Hedwig of Nordgau
Freed, John B. (2016). Frederick Barbarossa: The Prince and the Myth. Yale University Press.
Jackman, Donald C. (2012). Studia Luxembourgensia. Editions Enplage.
Jackman, Donald C. (2012a). The Kleeberg Fragment of the Gleiberg County. Editions Enplage.
Nicholas, David M (2013). Medieval Flanders. Routledge.
Robinson, Ian, ed. (2004). The Papal Reform of the Eleventh Century: Lives of Pope Leo IX and Pope Gregory VII. Manchester University Press.