| cemetery | Warszawa (Okopowa) |
| sector | 7 |
| row | 4 |
| number | 10 |
| sex | M |
| surname | Olszewski |
| first name | Feliks (Matias) |
| hebrew name | |
| fathers name | |
| husbands name | |
| maiden name | Cwajbaum |
| date of birth (m/d/y) (m/d/r) | 4/18/1910 |
| date of death (m/d/y) (m/d/r) | 12/20/1953 |
| additional info | adwokat; gr. symb. zam. 1939-1945: Ludwik, Bronisław i Maria Cwajbaum, rodzina Besztymt oraz Jerzy Olszewski (żył 4,5 mies.) |
