Woiwodschaft Kielce
Colonel. Jan Piwnik, was born on 31 August 1912 in the village of Janowice, Kielce Voivodeship (1919–39), Second Polish Republic. Son of John, a farmer, and Sophia Kłonica. In 1933, he graduated from a reserve NCO artillery school in Włodzimierz Wołyński. In 1935, he joined the Polish police, where he served as an officer.