What was the noble family that XXX was from?
Ishak Bey Kraloğlu
Ishak Bey Kraloğlu (Serbo-Croatian: Ishak-beg Kraljević/Исхак-бег Краљевић), christened Sigismund Tomašević, was a Bosnian prince, the last known member of the House of Kotromanić and an Ottoman statesman.