and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
| Male Walenty Kostewicz |
| Birth | 1871 | |
| Death | 1926 | |
| Burial | ||
| Marriage | 1915 | Pomiechowo |
| Type | rzymsko-katolicki | |
| Father | Filip Kostewicz | F1761 Group Sheet | |
| Mother | Barbara Kostewicz (maid. name Wójcik) | F1761 Group Sheet | |
| Female + Kazimiera Stanisława Mazurkiewicz (maid. name Kostewicz) |
| Birth | 20 Nov 1896 | Lelewo, nowodworski |
| Christening | 22 Nov 1896 | Cieksyn, Świętej Doroty |
| Death | 1974 | |
| Burial | Wołomin |
|
| Spouse | Franciszek Mazurkiewicz | F1718 | |
| Marriage | 1915 | Pomiechowo, św. Anny, nowodworski |
Our family tree has over 10,000 pieces of data. We also have around 75,000 photos and thousands of documents in our collection.
This tree can continue to grow only thanks to the interest and cooperation of close and distant relatives who, finding their relatives here, would like to share their information, photos or documents.