OTTO I HERZOG von BRAUNSCHWEIG-LUNEBURG
OTTO I HERZOG was born in 1204.¹   He died at the age of 48 in June 1252.¹ 

 MATHILDA von BRANDENBURG
MATHILDA was born about 1209.¹   She died on June 10th, 1261.¹ 

 ALBRECHT I HERZOG von BRAUNSCHWEIG-LUNEBURG
ALBRECHT I HERZOG was born in 1236.¹   He died at the age of 43 on August 15th, 1279.¹ 

 AGNES von BRAUNSCHWEIG-LUNEBURG
AGNES was born about 1246.¹   She died after 1302.¹ 

 Adelheid von BRAUNSCHWEIG-LUNEBURG

 Elizabeth von BRAUNSCHWEIG-LUNEBURG

 Helen von BRAUNSCHWEIG-LUNEBURG

 Johann I Duke von BRAUNSCHWEIG-LUNEBURG

 Konrad von BRAUNSCHWEIG-LUNEBURG

 Margarethe von BRAUNSCHWEIG-LUNEBURG

 Matilde von BRAUNSCHWEIG-LUNEBURG

 Otto von BRAUNSCHWEIG-LUNEBURG