Otto V, Duke of Bavaria
Otto V, was a Duke of Bavaria and Elector of Brandenburg as Otto VII. Otto was the fourth son of Holy Roman Emperor Louis IV by his second wife Margaret II of Avesnes, Countess of Hainaut and Holland. Wikipedia
Born: 1340
Died: November 15, 1379 (age 39 years), Wolfstein, Landshut, Germany
Spouse: Catherine of Bohemia (m. 1366–1379)