Dowbor-Muśnicki had two sons , Giedymin and Olgierd , and two daughters , Janina and Agnieszka . Olgierd committed suicide before World War II , Giedymin emigrated to France in the 1930s , while both daughters died during World War II . Agnieszka , who was an active member of the Polish resistance , was arrested by the German occupiers , tortured in the Pawiak prison in Warsaw and then executed in the Palmiry mass murder site , while Janina Lewandowska was the only woman murdered by the Soviet NKVD during the Katyn massacre
Katyn massacre
Katyn massacre
Józef Dowbor-Muśnicki