When did Otto V, Duke of Bavaria's father become the King of the Romans?
Otto V, Duke of Bavaria Otto V the Bavarian, Duke of Bavaria (1340/42 – 15 November 1379), 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.
Sigismund, Duke of Bavaria Sigismund of Bavaria (26 July 1439 – 1 February 1501) was a member of the Wittelsbach dynasty. He ruled as Duke of Bavaria-Munich from 1460 to 1467, and then as Duke of Bavaria-Dachau until his death.