Wulfhilde of Saxony
Wulfhilde Billung of Saxony was the eldest daughter of Magnus, Duke of Saxony and his wife, Sophia of Hungary.
In about 1095 she married Duke Henry IX of Bavaria. 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, a Cistercian monk and saint
- Sophia
- Judith
- Matilda, married Margrave Diephold IV of Vohburg and Count Gebhard III of Sulzbach
- Welf VI
- Wulfhilde, married Rudolf I, Count of Bregenz