Iosif Nemizansky Tatiana Nemizanskaya during her student years 1941 Minna Svoiskaya 1942 Isaac and Sofia Svoisky 1915 Sofia Svoiskaya 1970 Isaac and Boris Svoisky 1936 Gendel family portrait 1913 Tatiana Nemizanskaya's guerilla certificate 1944 Boris Svoisky 1940 Rosa Svoisakya 1940