and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
| 1. | Elżbieta Kostewicz (maid. name Ziemiecka) was born in 1941. Elżbieta married Tadeusz Kostewicz on Yes, date unknown in Pomiechowo, św. Anny, nowodworski. Tadeusz (son of Józef Kostewicz and Janina Kostewicz (maid. name Cieślińska)) was born in 1934 in Wólka Kikolska. [Group Sheet] [Family Chart]
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| 2. | Wanda Oleksiak (maid. name Kostewicz) |
| 3. | Kazimierz Kostewicz |
| 4. | Ireneusz Kostewicz Ireneusz married Private [Group Sheet] [Family Chart]
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| 5. | Ewelina Kostewicz |
| 6. | Patryk Kostewicz |
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