Career
January was owner of Tarnów and Wielowieś estates. He became dean of Krakow from September 27, 1398 to November 12, 1409 and voivode of Krakow Voivodeship in 1409.
January was owner of Tarnów and Wielowieś estates. He became dean of Krakow from September 27, 1398 to November 12, 1409 and voivode of Krakow Voivodeship in 1409.
