and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
Abt 1800 - 
| Teofil Kostewicz Abt 1867- |
| Teofil Kostewicz | |
| B: | Abt 1867 |
| Wola Smolana | |
Jadwiga Kostewicz (maid. name Szczęsna) Abt 1872- |
| Jadwiga Kostewicz (maid. name Szczęsna) | |
| B: | Abt 1872 |
| M: | 1890 |
| Wola Kiełpińska, par. św. Antoniego | |
| Andrzej Kostewicz Yes, date unknown- |
| Andrzej Kostewicz | |
| B: | Yes, date unknown |
| Antoni Filip Kostewicz 1902-1904 |
| Antoni Filip Kostewicz | |
| B: | 1 May 1902 |
| Nuna | |
| D: | 17 Aug 1904 |
| Nuna | |
 | Czesław Chester Kostewicz 1904-1977 |
| Czesław Chester Kostewicz | |
| B: | 16 Jan 1904 |
| Nuna | |
| D: | Jan 1977 |
| Helena Kostewicz Yes, date unknown- |
| Helena Kostewicz | |
| B: | Yes, date unknown |
| Anna Kostewicz 1907-1919 |
| Anna Kostewicz | |
| B: | 1907 |
| Nuna | |
| D: | 10 Sep 1919 |
 | Joseph Józef Kostewicz 1910-1993 |
| Joseph Józef Kostewicz | |
| B: | 02 Aug 1910 |
| East Vandergrift, PA | |
| D: | 06 Oct 1993 |
 | Catherine Kostewicz (maid. name Żak) 1913-1982 |
| Catherine Kostewicz (maid. name Żak) | |
| B: | 1913 |
| Diamond, PA | |
| M: | 30 May 1938 |
| USA | |
| D: | 1982 |
 | Helena Nowicki (maid. name Kostewicz) 1912-1985 |
| Helena Nowicki (maid. name Kostewicz) | |
| B: | 16 Feb 1912 |
| East Vandergrift, PA | |
| D: | 14 Jun 1985 |
| Natrona Heights, Allegheny, Pennsylvania | |
| Leonard A. Nowicki 1912-1978 |
| Leonard A. Nowicki | |
| B: | 11 Aug 1912 |
| M: | 15 May 1934 |
| D: | 20 Apr 1978 |
 | Aleksander Alex Kostewicz 1918-1996 |
| Aleksander Alex Kostewicz | |
| B: | 20 May 1918 |
| D: | 08 Aug 1996 |
| Henrietta Kostewicz (maid. name Żandarski) | |
| B: | 16 Nov 1919 |
| M: | 1940 |
| D: | 19 Jan 2015 |
| USA | |
 | Stefan Stephen Kostewicz 1921-2001 |
| Stefan Stephen Kostewicz | |
| B: | 29 Sep 1921 |
| D: | 28 Dec 2001 |
| Seabrook, Cumberland, New Jersey | |
| Helen Kostewicz Yes, date unknown- |
| Helen Kostewicz | |
| B: | Yes, date unknown |
 | Władysław "Walter" Kostewicz 1874-1955 |
| Władysław "Walter" Kostewicz | |
| B: | 04 Nov 1874 |
| Wola Smolana | |
| D: | 12 May 1955 |
 | Waleria Kostewicz (maid. name Korycka) 1882-1955 |
| Waleria Kostewicz (maid. name Korycka) | |
| B: | 08 Sep 1882 |
| Psucin, nowodworski | |
| M: | 07 Oct 1900 |
| Nasielsk, nowodworski, mazowieckie, Polska | |
| D: | 12 Dec 1955 |
| PA, USA | |
| Szymon Kostewicz 1876-Yes, date unknown |
| Szymon Kostewicz | |
| B: | 22 Oct 1876 |
| Wola Smolana | |
| D: | Yes, date unknown |
| Antoni Kostewicz 1879-Yes, date unknown |
| Antoni Kostewicz | |
| B: | 1 Jun 1879 |
| Wola Smolana | |
| D: | Yes, date unknown |
| Józefa Kostewicz 1881-1882 |
| Józefa Kostewicz | |
| B: | 16 Mar 1881 |
| Wola Smolana | |
| D: | 1882 |
| Wola Smolana | |
| Franciszek Kostewicz Yes, date unknown- |
| Franciszek Kostewicz | |
| B: | Yes, date unknown |
| Wola Smolana | |
| Antonina Kostewicz (maid. name Sikorska) Yes, date unknown- |
| Antonina Kostewicz (maid. name Sikorska) | |
| B: | Yes, date unknown |
| Zbroszki, mazowieckie | |
| M: | 1895 |
| Winnica | |
| Antoni Kostewicz Abt 1828-1881 |
| Antoni Kostewicz | |
| B: | Abt 1828 |
| Jaskółowo, mazowieckie | |
| D: | 7 May 1881 |
| Wola Smolana | |
| Julianna Kostewicz (maid. name Jabłońska) Abt 1847-Yes, date unknown |
| Julianna Kostewicz (maid. name Jabłońska) | |
| B: | Abt 1847 |
| D: | Yes, date unknown |
| Florentyna Byszczyńska (maid. name Szajkowska) | |
| B: | 1874 |
| Stanisławowo, par. Zegrze | |
| Stanisław Buszczyński Yes, date unknown- |
| Stanisław Buszczyński | |
| B: | Yes, date unknown |
| M: | Yes, date unknown |
| Władysław Szajkowski 1879- |
| Władysław Szajkowski | |
| B: | 1879 |
| Józefa Pawlak (maid. name Szajkowska) | |
| B: | 1881 |
| Stanisławów, par. Zegrze | |
| Jan Pawlak Yes, date unknown- |
| Jan Pawlak | |
| B: | Yes, date unknown |
| M: | 1900 |
| parafia Zegrze | |
| Józef Szajkowski 1884- |
| Józef Szajkowski | |
| B: | 1884 |
| Stanisławów, par. Zegrze | |
| Wiktoria Osińska (maid. name Szajkowska) Abt 1875- |
| Wiktoria Osińska (maid. name Szajkowska) | |
| B: | Abt 1875 |
| Józef Osiński Yes, date unknown- |
| Józef Osiński | |
| B: | Yes, date unknown |
| M: | 1894 |
| par. Zegrze | |
| Marcjanna Pisarzewska Abt 1871- |
| Marcjanna Pisarzewska | |
| B: | Abt 1871 |
| Jan Pisarzewski Yes, date unknown- |
| Jan Pisarzewski | |
| B: | Yes, date unknown |
| M: | 1900 |
| par. Zegrze | |
| Anna Chojnacka (maid. name Szajkowska) Abt 1868- |
| Anna Chojnacka (maid. name Szajkowska) | |
| B: | Abt 1868 |
| Stanisław Chojnacki Yes, date unknown- |
| Stanisław Chojnacki | |
| B: | Yes, date unknown |
| M: | 1886 |
| par. Zegrze | |
| Marianna Szajkowska (maid. name Kostewicz) Abt 1842-1908 |
| Marianna Szajkowska (maid. name Kostewicz) | |
| B: | Abt 1842 |
| D: | 1908 |
| Stanisławowo par Zegrze | |
| Teofil Szajkowski Yes, date unknown- |
| Teofil Szajkowski | |
| B: | Yes, date unknown |
| M: | 1865 |
| Nasielsk, nowodworski, mazowieckie, Polska | |
| Mateusz Kostewicz Abt 1800- |
| Mateusz Kostewicz | |
| B: | Abt 1800 |
| Joanna Kostewicz (maid. name Ciszewska) Yes, date unknown-Yes, date unknown |
| Joanna Kostewicz (maid. name Ciszewska) | |
| B: | Yes, date unknown |
| M: | Yes, date unknown |
| D: | Yes, date unknown |
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.
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