Józef (born 22 June 1924 in Piaski Wielkie – now a district of Kraków, son of Wojciech and Helena née Tyranowska) and Józefa Biernat (née Czort, born 20 February 1924 in Kraków). The couple lived in Kraków during World War II. They were involved in helping the Jewish population by delivering meat to the ghetto. Józef was executed on 27 May 1944 in Kraków.