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 with Hélène de Danemark, issuing
- Otto (1202 - 1252)