and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
| Male Grzegorz Biernacki |
| Birth | Yes, date unknown | |
| Death | Yes, date unknown | |
| Burial | ||
| Marriage | 1864 | Pomiechowo, św. Anny, nowodworski |
| Father | Jakub Biernacki | F2458 Group Sheet | |
| Mother | Agnieszka Biernacka (maid. name Fabisiak) | F2458 Group Sheet | |
| Female Julianna Biernacka (maid. name Kurpiewska) |
| Birth | 10 Feb 1843 | Czarnowo, mazowieckie |
| Death | Yes, date unknown | |
| Burial | ||
| Father | Stanisław Kurpiewski | F826 Group Sheet | |
| Mother | Małgorzata Kurpiewska (maid. name Błońska) | F826 Group Sheet | |
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