John Sigismund Zápolya or Szapolyai was King of Hungary as John II from 1540 to 1551 and from 1556 to 1570, and the first Prince of Transylvania, from 1570 to his death. He was the only son of John I,
Engraving by Dominicus Custos, c. 1600
The Ottoman Sultan Suleiman the Magnificent receives Queen Isabella and John Sigismund at Buda on 29 August 1541
John Sigismund (Klebebände, 1566)
John Sigismund's realm around 1550
Isabella Jagiellon was a princess of the Kingdom of Poland and of the Grand Duchy of Lithuania, and later also the Queen consort of Hungary. She was the oldest child of Sigismund I the Old, King of Po
Portrait by Lucas Cranach the Younger, 1553
19th-century depiction of Isabella by Miklós Barabás