She was the daughter of Szymon Lewinson ( 1896 – 1940 ) , a urologist and Polish Army officer murdered in Katyń , and of Alina , née Fryszman ( 1900 – 1980 ) . She had one sister , Zofia ( 1930 – 1971 ) . On her mother 's side she was the granddaughter of the physician Aleksander Fryszman ( 1874 – 1939 ) and the niece of Jerzy Fryszman ( 1904 – 1976 ) and of Leon Płockier ( 1895 – 1965 )
Katyń
Katyn massacre
Janina Bauman