and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
Yes, date unknown-
| Andrzej Kostewicz | |
| B: | Yes, date unknown |
1902-1904
| Antoni Filip Kostewicz | |
| B: | 1 May 1902 |
| Nuna | |
| D: | 17 Aug 1904 |
| Nuna | |
| Czesław Chester Kostewicz | |
| B: | 16 Jan 1904 |
| Nuna | |
| D: | Jan 1977 |
Yes, date unknown-
| Helena Kostewicz | |
| B: | Yes, date unknown |
1907-1919
| Anna Kostewicz | |
| B: | 1907 |
| Nuna | |
| D: | 10 Sep 1919 |
| Ryszard Richard Kostewicz | |
| B: | 08 Jun 1940 |
| Natrona, Spruce street, Pensylvania, USA | |
| Maryann Kostewicz (maid. name Głogowska) | |
| B: | 29 Apr 1943 |
| Natrona Hts | |
| M: | 29 Apr 1969 |
| Bernard Kostewicz | |
| B: | 14 Dec 1945 |
| Marlene Kostewicz (maid. name Katora) | |
| B: | 21 Jul 1947 |
| M: | 6 Feb 1970 |
| Delores Jaskey (maid. name Kostewicz) | |
| B: | 1947 |
| Natrona Heights, PA | |
| Richard Jaskey | |
| B: | 1943 |
| New Kensington, PA | |
| David Kostewicz | |
| B: | 1954 |
| Sandy Kostewicz | |
| B: | 1955 |
| New Kensington, PA | |
| Joseph Józef Kostewicz | |
| B: | 02 Aug 1910 |
| East Vandergrift, PA | |
| D: | 06 Oct 1993 |
| Catherine Kostewicz (maid. name Żak) | |
| B: | 1913 |
| Diamond, PA | |
| M: | 30 May 1938 |
| USA | |
| D: | 1982 |
| Don Nowicki | |
| B: | 10 Mar 1935 |
| Gerri Nowicki (maid. name Reczkowski) | |
| B: | 9 May 1939 |
| M: | 16 Sep 1961 |
| Leonard R. Nowicki | |
| B: | 15 May 1940 |
| Jill Nowicki (maid. name Gercken) | |
| B: | 27 May 1945 |
| M: | 8 Jun 1968 |
| Adele Lamparski (maid. name Nowicki) | |
| B: | 18 Dec 1946 |
| Don Lamparski | |
| B: | 10 Jul 1945 |
| M: | 13 Jun 1970 |
| Helena Nowicki (maid. name Kostewicz) | |
| B: | 16 Feb 1912 |
| East Vandergrift, PA | |
| D: | 14 Jun 1985 |
| Natrona Heights, Allegheny, Pennsylvania | |
1912-1978
| Leonard A. Nowicki | |
| B: | 11 Aug 1912 |
| M: | 15 May 1934 |
| D: | 20 Apr 1978 |
Yes, date unknown-
| Judith Beresik (maid. name Kostewicz) | |
| B: | Yes, date unknown |
Yes, date unknown-
| NN Beresik | |
| B: | Yes, date unknown |
| M: | Yes, date unknown |
| Eugene Kostewicz | |
| B: | 9 Jan 1942 |
| D: | 06 Jul 2008 |
| USA | |
| Sheila Kostewicz | |
| B: | Yes, date unknown |
| Mary Beth Kostewicz | |
| B: | Yes, date unknown |
Yes, date unknown-
| Thaddeus Kostewicz | |
| B: | Yes, date unknown |
| 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 | |
| B: | 29 Sep 1921 |
| D: | 28 Dec 2001 |
| Seabrook, Cumberland, New Jersey | |
Yes, date unknown-
| Helen Kostewicz | |
| B: | Yes, date unknown |
| Waleria Kostewicz (maid. name Korycka) | |
| B: | 08 Sep 1882 |
| Psucin, nowodworski | |
| D: | 12 Dec 1955 |
| PA, USA | |
| Władysław "Walter" Kostewicz | |
| B: | 04 Nov 1874 |
| Wola Smolana | |
| M: | 07 Oct 1900 |
| Nasielsk, nowodworski, mazowieckie, Polska | |
| D: | 12 May 1955 |
1884-1898
| Czesław Korycki | |
| B: | 23 Jan 1884 |
| Nuna | |
| D: | 15 Jul 1898 |
| Nuna | |
| Piotr Korycki | |
| B: | 21 Feb 1965 |
| Warszawa | |
| Tadeusz Bożek | |
| B: | 27 Aug 1961 |
| Jadwiga Korycka | |
| B: | 17 May 1941 |
| Szczypiorno 68 | |
| Adam Korycki | |
| B: | 28 Sep 1936 |
| Dziekanów Polski | |
| M: | 25 Dec 1963 |
| Pomiechowo, św. Anny, nowodworski | |
| Piotr Korycki | |
| B: | 19 Sep 1887 |
| Nuna | |
| D: | 11 Mar 1941 |
| Morgi | |
| Innocenta Korycka (maid. name Kiliś) | |
| B: | 16 Jun 1912 |
| Śniadowo, mazowieckie | |
| M: | 25 Aug 1940 |
| Nasielsk - kościół par. pw. św. Wojciecha, nowodworski, mazowieckie, Polska | |
| D: | 27 Jan 1953 |
| Płońsk | |
1891-1893
| Feliksa Korycka | |
| B: | 12 May 1891 |
| Nuna | |
| D: | 1893 |
| Nuna | |
|
| Jan Korycki | |
| B: | 05 Nov 1851 |
| Brodowo Kuce, pułtuski, mazowieckie, Polska | |
| D: | 1892 |
| Nuna | |
| Joanna Korycka (maid. name Kowalska) | |
| B: | Abt 1863 |
| Psucin, nowodworski | |
| M: | 9 Fab 1881 |
| Pomiechowo, św. Anny, nowodworski | |
| D: | Aft 1904 |
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.