Who married Beatrice of Sicily (1326–1365)?

Beatrice of Sicily (5 September 1326 – 12 October 1365) was a daughter of Peter II of Sicily and his wife Elisabeth of Carinthia. She was born into the House of Barcelona.

Rupert II, Count Palatine of the Rhine (German: Ruprecht II., der Harte (der Ernste)) (12 May 1325, Amberg – 6 January 1398, Amberg). He was the Elector Palatine of the Rhine from the house of Wittelsbach in 1390–1398.