In the 1540s the change of war in Hungary caused Suleiman I to have a chance to avenge his defeat in Vienna. Some Hungarian nobles respect Ferdinand and the Grand Duke of Austria (1519 – 1564) as Hungarian kings. Ferdinand is Anna Jagellonica’s husband, Lajos II’s sister, and a previous treaty stipulates that if Lajos died without a child, Ferdinand was the Hungarian king. It’s no bra weather shirt . However, another part remained faithful to the János Szapolyai nobleman, who was supported by Suleiman I but European Christian forces did not recognize it.