 Nyorai kupfuurira kweiyi ndima - Muna 1538, muChibvumirano cheNagyvárad, Ferdinand akaita kuti Zápolya asina mwana amudane kuti ave mutsivi wake. Asi muna 1540, nguva pfupi asati afa, Zápolya akabereka mwanakomana, John II Sigismund, uyo akakurumidza kusarudzwa kuti ave Mambo neDare. Ferdinand akapinda muHungary, asi mutongi, Frater George Martinuzzi, Bhishopi weVárad, akadana vaOttoman kuti vamudzivirire. Suleiman akapinda muHungary ona Kukombwa kweBuda 1541uye haana kungodzinga Ferdinand kubva pakati peHungary, akamanikidza Ferdinand kubvuma kubhadhara mutero nokuda kwenzvimbo dzake kumadokero kweHungary. 