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. Matthias Corvinus: Matthias Corvinus, also called Matthias I (Hungarian: "Hunyadi Mátyás" , Croatian: "Matija Korvin" , Romanian: "Matei Corvin" , Slovak: "Matej Korvín" , ; 23 February 1443 – 6 April 1490), was King of Hungary and Croatia from 1458 to 1490.
1458 to 1490