Otto der Milde von Braunschweig-Göttingen, Herzog zu Braunschweig-Lüneburg, Fürst von Göttingen, Fürst von Braunschweig-Wolfenbüttel, was born 25 March 1290 to Albrecht II. von Braunschweig-Wolfenbüttel-Göttingen (c1268-1318) and Rixa von Werle (c1268-1317) and died 30 August 1344 Göttingen of unspecified causes. He married Jutta von Hessen (-1317) 1311 JL . He married Agnes von Brandenburg (1297-1334) 22 December 1319 JL . William I of England (1027-1087), Henry II of England (1133-1189), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Rollo of Normandy (860-932)/s.
Otto and his brothers succeeded on their father's death in 1318; he served as his brothers' guardian while they were not of age. In 1323, he acquired the Altmark from Brandenburg as an inheritance of his wife's; but he sold it in 1343, when he failed to establish control there.
Otto died in 1344 in Göttingen and was succeeded by his brothers.
|Offspring of Otto der Milde von Braunschweig-Göttingen and Jutta von Hessen (-1317)|
|Agnes von Braunschweig-Göttingen (1317-1371)|