Otto V, called the Victorious or the Magnanimous, was Duke of Brunswick-Lüneburg and Prince of Lüneburg from 1457 to his death. He shared the principality with his brother, Bernard, until Bernard's death in 1464. Wikipedia
Born: 1439
Died: January 9, 1471 (age 32 years), Celle, Germany
Parents: Frederick II, Duke of Brunswick and Magdalene of Brandenburg
Grandchildren: Ernest I, Duke of Brunswick, Otto I, Duke of Brunswick-Harburg, Francis, Duke of Brunswick-Lüneburg, and more
Children: Henry I, Duke of Brunswick
Spouse: Anne of Nassau-Siegen (m. 1467–1471)