 By the 17th century there were established Jewish settlements near Wojnicz in Brzesko, Tarnów and Zakliczyn.An early instance of a Jewish convert living in Wojnicz in the first half of the 18th century was Michał Kędzierski, administrator of the Crown lands on behalf of Starosta, Jakub Karwowski.Their combined abuse of state funds is the subject of a recent historical study.