He was the son of Duke Henry I "the Marvelous" of Brunswick-Grubenhagen and his wife Agnes of Meissen, daughter of Margrave Albert II of Meissen.
Meissen | Agnes | Meissen porcelain | Ágnes Heller | Margraviate of Meissen | Agnes Monica | Agnès Varda | Agnes Varda | Agnes Nixon | Agnes Giebel | Agnes Gund | Agnes de Mille | Agnes Chan | Agnes Baltsa | King Edward VII's Hospital Sister Agnes | Hurricane Agnes | Gunzelin, Margrave of Meissen | Bishop of Dresden-Meissen | Ágnes Szokolszky | Ágnes Szávay | Agnes of France, Duchess of Burgundy | Agnes Mary Frances Duclaux | Agnès Humbert | Agnes Buen Garnås | The Eve of St. Agnes | St Anne and St Agnes | St Agnes | Sara Agnes Rice Pryor | Roman Catholic Diocese of Dresden-Meissen | Meißen |