Beloš, was a Serbian prince and Hungarian palatine who served as the regent of Hungary from 1141 until 1146, alongside his sister Helena, mother of the infant King Géza II. Beloš held the title of duke, and ban of Croatia from 1146 until 1157 and... Wikipedia
Died: Hungary
Nationality: Hungarian
Grandparents: Constantine Diogenes and Marko Vojislavljević
Great-grandparents: Romanos IV Diogenes and Petrislav of Rascia
Parents: Uroš I, Grand Prince of Serbia and Anna Diogenissa