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.
Conrad II, Duke of Bavaria Conrad II (September or October 1052, Regensburg – 10 April 1055, Regensburg), called the Child, was the duke of Bavaria from 1054 to 1055. He was the second son of the Emperor Henry III and his second wife, Agnes of Poitou. He was briefly appointed duke of Bavaria, which had been held by his elder brother Henry. He died soon after and was replaced by Henry.