Early modern-era Czech historical literature by Jan Dubravius also refers to the hero of Belgrade/Nándorfehérvár as being unknown, but defining his nationality as Czech.
Lucrarea istorică cehă de la începutul epocii moderne scrisă de Jan Dubravius se referă, de asemenea, la eroul de la Belgrad/Nándorfehérvár ca fiind necunoscut, dar îl descrie ca fiind ceh.