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.
Frederick III, Duke of Upper Lorraine Frederick III ( 1020 – 1033) was the Count of Bar and Duke of Upper Lorraine from the death of his father, Frederick II, in 1026 or 1027 to his own death. His mother was Matilda of Swabia, daughter of Herman II, Duke of Swabia.