- Felix Ducki
- Antonio Ducki
- prisoner 20364
Son of Julian and Marianna Lenardt; his father was a locksmith. Franciscan Capuchin friar, entering the community on 3 January 1918, taking the name Antonio; his religious name is later changed to Symforian and makes his final vows on 22 May 1925. He served his community as cook. Arrested for his faith in the Nazi persecutions on 3 September 1941, and sentenced to forced labour at the Auschwitz concentration camp. Martyr.
- “Blessed Symforian Ducki“. CatholicSaints.Info. 15 April 2015. Web. 5 May 2016. <>