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American Death Index for People with the surname JONCKOWSKI
| Names | Surname | Date of Birth | Date of Death |
|---|---|---|---|
| G | JONCKOWSKI | 1913 | 1980 |
| ROBERT F | JONCKOWSKI | 1918 | 1995 |
| MARY | JONCKOWSKI | 1895 | 1975 |
| ALMA L | JONCKOWSKI | 1920 | 1996 |