What was the noble family that XXX was from?
Beloš
Beloš (Serbian: Белош; fl. 1141--1163), was a Serbian prince and Hungarian palatine (comes palatinus, the highest court title) who served as the Regent of Hungary in 1141-1146, alongside his sister Helena, the queen consort of King Béla II with whom she had a son, Géza II, still an infant upon succession.