Abt 1831 - Yes, date unknown
 | Franciszek Kostewicz Abt 1853-Yes, date unknown |
| Franciszek Kostewicz | |
| B: | Abt 1853 |
| Wólka Kikolska | |
| D: | Yes, date unknown |
 | Jadwiga Kostewicz (née Gołębiewska) Abt 1860- |
| Jadwiga Kostewicz (née Gołębiewska) | |
| B: | Abt 1860 |
| Dębe, mazowieckie | |
| M: | 6 May 1877 |
| Wola Kiełpińska | |
| Józef Kostewicz 1863- |
| Józef Kostewicz | |
| B: | 1863 |
| Władysław Kostewicz 1865-Yes, date unknown |
| Władysław Kostewicz | |
| B: | 1865 |
| Wólka Kikolska | |
| D: | Yes, date unknown |
| Marta Kostewicz 1901-1997 |
| Marta Kostewicz | |
| B: | 1901 |
| D: | 16 Jan 1997 |
| Józef Kostewicz 1902-1987 |
| Józef Kostewicz | |
| B: | 1902 |
| Wólka | |
| D: | 4 Sep 1987 |
| Janina Kostewicz (née Cieślińska) Abt 1909-1997 |
| Janina Kostewicz (née Cieślińska) | |
| B: | Abt 1909 |
| M: | Yes, date unknown |
| D: | 5 Maj 1997 |
| Henryk Kostewicz 1903- |
| Henryk Kostewicz | |
| B: | 1903 |
| Wólka | |
| Władysław Kostewicz 1905- |
| Władysław Kostewicz | |
| B: | 1905 |
| Wólka | |
| Apolonia Śmietańska (née Kostewicz) | |
| B: | 1906 |
| Wólka | |
| Stanisław Kostewicz 1867-1931 |
| Stanisław Kostewicz | |
| B: | 1867 |
| Wólka Kikolska | |
| D: | 30 Nov 1931 |
| Wólka Kikolska | |
| Helena Kostewicz (née Witkowska) Abt 1883-1907 |
| Helena Kostewicz (née Witkowska) | |
| B: | Abt 1883 |
| Topolina, mazowieckie | |
| D: | 24 May 1907 |
| Wólka | |
| Regina Olszewska (née Kostewicz) 1910-Yes, date unknown |
| Regina Olszewska (née Kostewicz) | |
| B: | 9 Marc 1910 |
| Wólka | |
| D: | Yes, date unknown |
| Edward Kostewicz 1915-1934 |
| Edward Kostewicz | |
| B: | 1915 |
| D: | 10 Jul 1934 |
| Wólka | |
| Leokadia Kostewicz (née Witkowska) Abt 1888-1917 |
| Leokadia Kostewicz (née Witkowska) | |
| B: | Abt 1888 |
| M: | Yes, date unknown |
| D: | 16 Apr 1917 |
| Wólka | |
| Konstancja Rogalińska (née Kostewicz) Abt 1855-Yes, date unknown |
| Konstancja Rogalińska (née Kostewicz) | |
| B: | Abt 1855 |
| Krogule, mazowieckie | |
| D: | Yes, date unknown |
| Władysław Rogaliński Abt 1854- |
| Władysław Rogaliński | |
| B: | Abt 1854 |
| Nuna, mazowieckie | |
| M: | 15 May 1880 |
| Pomiechowo - kościół św. Anny, nowodworski, mazowieckie, Polska | |
| Jan Kostewicz Abt 1831-Yes, date unknown |
| Jan Kostewicz | |
| B: | Abt 1831 |
| D: | Yes, date unknown |
| Małgorzata Kostewicz (née Niemierzyn) Yes, date unknown-Yes, date unknown |
| Małgorzata Kostewicz (née Niemierzyn) | |
| B: | Yes, date unknown |
| M: | Yes, date unknown |
| D: | Yes, date unknown |
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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