| Children |
| | 1. Helene Ilona Welf, b. 18 Mar 1223, Braunschweig-Lüneburg  , d. 6 Sep 1273, Franciscans, Wittenberg, Sachsen-Wittenberg (Age 50 years) |
| | 2. Mathilde von Braunschweig-Lüneburg, b. Abt 1229, Braunschweig, Germany , d. Abt 1295 (Age 66 years) |
| | 3. Konrad I von Braunschweig Welfen, b. 1234, Braunschweig, Germany , d. 15 Sep 1300 (Age 66 years) |
| | 4. Elizabeth Welf, b. Abt 1234, Braunschweig, Tyskland , d. 27 May 1266 (Age 32 years) |
| | 5. Albrecht I. der Große von Braunschweig-Lüneburg, b. Abt 1236, Braunschweig, Braunschweig-Lüneburg, Deutschland(HRR) , d. 15 Aug 1279, Braunschweig, Braunschweig, Deutschland(HRR) (Age 43 years) |
| | 6. Johann I von Braunschweig-Lüneburg, b. Abt 1242, Braunschweig, Tyskland , d. 13 Dec 1277, Braunschweig, Germany (Age 35 years) |
| | 7. Agnes Herzogin von Braunschweig-Lüneburg, b. Abt 1246, Braunschweig, Germany , d. 18 Mar 1302 (Age 56 years) |
| | 8. Adelheid von Braunschweig-Lüneburg, b. Abt 1251, Luneburg,Hannover,,Prussia , d. 12 Jun 1274, St Elisabethkir,Marburg,Hessen Nassau,Prussia (Age 23 years) |
| | 9. Otto prins af von Braunschweig-Lüneburg, b. Abt 1252, Braunschweig, Germany , d. 4 Jul 1279 (Age 27 years) |
|
1204 - 1252 (48 years)
