What group was XXX a member of?
Kazimierz Dembowski
Kazimierz Dembowski (3 August 1912 in Strzyżów -- 10 August 1942 at Dachau) was a Polish Roman Catholic clergyman, member of the Society of Jesus involved in the religious publishing industry, who shortly after the German invasion of Poland was arrested by the Gestapo, imprisoned at several places of detention, and lastly deported to the Dachau concentration camp where he was murdered in a gas chamber.
Society of Jesus