Family: Otto I. Das Kind Von Braunschweig-Lüneburg, Herzog Von Braunschweig-Luxenburg / Matilde Von Brandenburg (F1542)
m. 1228
-
Male
Otto I. Das Kind Von Braunschweig-Lüneburg, Herzog Von Braunschweig-Luxenburg
Birth 1204 Sachsen, Germany 
Death 9 Jun 1252 Sachsen, Germany Burial 1252 Sachsen, Germany Marriage 1228 Sachsen, Germany Father Wilhelm Welf | F1181 Group Sheet Mother Princess Of Denmark Helen Valdemarsdottir | F1181 Group Sheet
Female
+ Adelaide De Bourgogne Chalon
Birth 1233 Boulogne, Pays de la Loire, France Death 23 Oct 1273 Belgium Burial 1273 Belgium Spouse Hertog Hendrik Van Brabant, III | F1218 Marriage 21 Jul 1251 Belgium
Male
+ Herzog zu Braunschweig-Lüneburg Albrecht Welf, I
Birth 1236 Sachsen, Germany Death 15 Aug 1279 Sachsen, Germany Burial 1290 Sachsen, Germany Spouse Alessina De Montferrat | F985 Marriage 1263