| cemetery | Warszawa (Okopowa) |
| sector | 74 |
| row | 1 |
| number | 119 |
| sex | M |
| surname | Klaczkowski |
| first name | Izaak |
| hebrew name | Yitzhak |
| fathers name | Chaim |
| husbands name | |
| maiden name | |
| date of birth (m/d/y) (m/d/r) | |
| date of death (m/d/y) (m/d/r) | 12/8/1917 |
| additional info | ur. w Suwałkach |
