Upon returning to Poland , Sobolewicz was reunited with his mother , who survived five years in Ravensbrück , and with his younger brother , who fought in the Polish Home Army ( Armia Krajowa , or AK , the main Polish resistance organization ) . But he has had to endure the loss of his father , who was gassed in Birkenau on 20 June 1942 , his grandfather , who was shot dead by SS henchmen for helping Jewish friends , his cousin , who was murdered in the Katyń massacre , and many others
Katyń massacre
Katyn massacre
Tadeusz Sobolewicz