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.
Otto III, Count of Waldeck Otto III, Count of Waldeck-Landau (  1389 – 1458 or 1459) was the second ruling count of the elder Waldeck-Landau line, which had started. He was the son of Count Adolph III, who had founded the elder Waldeck-Landau in 1397, and his wife, Agnes of Ziegenhain.