and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
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 |
Yes, date unknown-
| Douglas Kostewicz | |
| B: | 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 |
| Henrietta Kostewicz (maid. name Żandarski) | |
| B: | 16 Nov 1919 |
| D: | 19 Jan 2015 |
| USA | |
| Aleksander Alex Kostewicz | |
| B: | 20 May 1918 |
| M: | 1940 |
| D: | 08 Aug 1996 |
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.