In which period the son of John Hunyadi was a King of Hungary and Croatia?
Blaise Magyar:  In the reign of John Hunyadi's son, Matthias Corvinus, he was Ban of Croatia from 1470 to 1472 and in 1483, Ban of Slavonia between 1470 and 1471 and in 1483, Ban of Bosnia from 1470 to 1471, and Voivode of Transylvania between 1472 and 1475.
i don't know