in 1327 przemysław's son duke leszek paid homage to king john of bohemia, whereafter his duchy became a bohemian fief. after leszek died without issue in 1336, king john seized the duchy and granted it to the přemyslid duke nicolas ii of opava (troppau), forming the united duchy of opava and racibórz. the duchy would suffer several territorial changes until in 1521 it was again merged with opole under duke jan ii the good. as a duchy of opole and racibórz, after jan's death in 1532 it fell back to the house of habsburg, bohemian kings since 1526. the fief was given in pawn to margrave george of brandenburg-ansbach from the house of hohenzollern, later briefly to the polish house of vasa and finally would be annexed and incorporated into the kingdom of prussia by the 1742 treaty of breslau.