Career
As a result of this marriage, part of the Billung possessions came into the hands of the House of Guelph. They had the following children:
Henry X
Conrad (died: 17 March 1126 in Bari, buried in Molfetta), a Cistercian monk
Sophia
Judith
Matilda (d 1138), married Margrave Diephold IV of Vohburg (d 1130) and Count Gebhard III of Sulzbach (d 1188)
Welf VI
Wulfhilde, married Rudolf I, Count of Bregenz (d 1160)
Wulfhilde died in 1126 and was buried at Weingarten Abbey.