Wilhelm Welf
Guillaume de Lunebourg
- Born in 1183
- Deceased in 1214, at the approximate age of 30 years
Parents
- Heinrich Welf, Henri le Lion (1129 - 1195), Herzog von Bayern
- Matilda Plantagenêt (1156 - 1189), Princess of England
Family
- Married in 1202, with Helene Estridsen, Helene af Danmark (c. 1180 - 1233), issuing
- Otto (c. 1203 - 1252)