When did Otto V, Duke of Bavaria's father become the King of the Romans?
Louis IV, Holy Roman Emperor Louis IV (German: "Ludwig" ; 1 April 1282 – 11 October 1347), called the Bavarian, of the house of Wittelsbach, was King of the Romans from 1314, King of Italy from 1327, and Holy Roman Emperor from 1328.
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.