- Born circa 1100
- Deceased on October 27, 1139, at the approximate age of 38 years
Parents
- Heinrich Welf, Heinrich der Schwarze (1074 - 1126), Herzog von Bayern
- Wulfhilde von Sachsen (1071 - 1126)
Family
- Married on May 29, 1127, with Gertrud von Supplinburg, Gertrude de Saxe (1115 - 1143), issuing
- Heinrich (1129 - 1195)