William the Victorious, Duke of Brunswick-Lüneburg
Member of the House of Welf
William I KG, called the Victorious, a member of the House of Welf, was Duke of Brunswick-Lüneburg. He was reigning Prince of Lüneburg from 1416 to 1428 and of Brunswick-Wolfenbüttel from 1428 to 1432, counted either as William III or William IV. Wikipedia
Born: 1392
Died: July 25, 1482 (age 90 years)
Great grandchildren: Henry V, Duke of Brunswick-Lüneburg, Eric II, Duke of Brunswick-Lüneburg, Anna Maria of Brunswick-Calenberg-Göttingen, and more
Great-grandparents: Magnus I, Duke of Brunswick-Lüneburg, Sophia of Brandenburg, and Barnim IV, Duke of Pomerania