1882 - 1955 (73 years)
 | 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 |
| Richard McDonald Yes, date unknown- |
| Richard McDonald | |
| B: | Yes, date unknown |
| Jason Jaskey Yes, date unknown- |
| Jason Jaskey | |
| B: | Yes, date unknown |
| Unknown |
| Jasen Jaskey Yes, date unknown- |
| Jasen Jaskey | |
| B: | Yes, date unknown |
| Amanda Jaskey Yes, date unknown- |
| Amanda Jaskey | |
| B: | Yes, date unknown |
| Joseph Józef Kostewicz 1910-1993 |
| Joseph Józef Kostewicz | |
| B: | 02 Aug 1910 |
| East Vandergrift, PA | |
| D: | 06 Oct 1993 |
| Catherine Kostewicz (née Żak) 1913-1982 |
| Catherine Kostewicz (née Żak) | |
| B: | 1913 |
| Diamond, PA | |
| M: | 30 May 1938 |
| USA | |
| D: | 1982 |
| Jeo Delong Yes, date unknown- |
| Jeo Delong | |
| B: | Yes, date unknown |
| NN House Yes, date unknown- |
| NN House | |
| B: | Yes, date unknown |
| Helena Nowicki (née Kostewicz) 1912-1985 |
| Helena Nowicki (née 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 |
| Judith Beresik (née Kostewicz) Yes, date unknown- |
| Judith Beresik (née Kostewicz) | |
| B: | Yes, date unknown |
| NN Beresik Yes, date unknown- |
| NN Beresik | |
| B: | Yes, date unknown |
| M: | Yes, date unknown |
| Douglas Kostewicz Yes, date unknown- |
| Douglas Kostewicz | |
| B: | Yes, date unknown |
| Eugene Kostewicz 1942-2008 |
| Eugene Kostewicz | |
| B: | 9 Jan 1942 |
| D: | 06 Jul 2008 |
| USA | |
| Sheila Kostewicz Yes, date unknown- |
| Sheila Kostewicz | |
| B: | Yes, date unknown |
| Mary Beth Kostewicz Yes, date unknown- |
| Mary Beth Kostewicz | |
| B: | Yes, date unknown |
| Thaddeus Kostewicz Yes, date unknown- |
| Thaddeus Kostewicz | |
| B: | Yes, date unknown |
| Aleksander Alex Kostewicz 1918-1996 |
| Aleksander Alex Kostewicz | |
| B: | 20 May 1918 |
| D: | 08 Aug 1996 |
| Henrietta Kostewicz (née Żandarski) 1919-2015 |
| Henrietta Kostewicz (née 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 |
|
| Waleria Kostewicz (née Korycka) 1882-1955 |
| Waleria Kostewicz (née Korycka) | |
| B: | 08 Sep 1882 |
| Psucin, nowodworski | |
| D: | 12 Dec 1955 |
| PA, USA | |
| Władysław "Walter" Kostewicz 1874-1955 |
| Władysław "Walter" Kostewicz | |
| B: | 04 Nov 1874 |
| Wola Smolana | |
| M: | 07 Oct 1900 |
| Nasielsk, nowodworski, mazowieckie, Polska | |
| D: | 12 May 1955 |
Account number: 3413232293 GENEALOGIA POLSKA LLC Texas/Arkansas account terms and conditions apply For Direct Deposit use Routing Number (RTN): 111900659 For Wire Transfers use Routing Number (RTN): 121000248
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