Career
In 1367, however, the inheritance was divided: the oldest brother, John I, received the Duchy of Racibórz, while the three younger brothers, Nicholas III, Wenceslaus I and Przemko I continued to jointly rule the Duchy of Opava. In 1377, Opava was split, with Nicholas III and Wenceslaus I jointly ruling the newly split off Duchy of Głubczyce and Přemek I ruling what remained of the Duchy of Opava. Nicholas III died unmarried and childless in 1394.
He succeeded in redeeming the district of Głubczyce.