and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
| Male Andrzej Olszewski |
| Birth | Yes, date unknown | |
| Death | Yes, date unknown | |
| Burial | ||
| Marriage | 12 Feb 1792 | |
| Father | ||
| Mother | ||
| Female Franciszka Olszewska (maid. name Przybysz) |
| Birth | Yes, date unknown | |
| Death | Yes, date unknown | |
| Burial | ||
| Father | ||
| Mother | ||
| Male + Józef Olszewski |
| Birth | 20 Apr 1799 | Młodochowo, mazowieckie, płoński, gm. Raciąż |
| Death | 11 Oct 1850 | Młodochowo, mazowieckie, płoński, gm. Raciąż |
| Burial | ||
| Spouse | Tekla Olszewska (maid. name Gawrońska) | F49335 | |
| Marriage | Yes, date unknown | |
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