and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
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 | Władysław "Walter" Kostewicz (1874-1955)
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 | Waleria Kostewicz (maid. name Korycka) (1882-1955)
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| Antoni Filip Kostewicz (1902-1904) |
 | Czesław Chester Kostewicz (1904-1977)  |
| Anna Kostewicz (1907-1919) |
 | Helena Nowicki (maid. name Kostewicz) (1912-1985) |
 | Aleksander Alex Kostewicz (1918-1996) |
 | Stefan Stephen Kostewicz (1921-2001) |
 | John Żak (1874-1943) |
 | Rose Żak (maid. name Stec) (1875-1931) |
 | Helen Kruszek (maid. name Żak) (1897-1972) |
 | Josephine Walkiewicz (maid. name Żak) (1899-1971) |
| Walter Żak (1907-1964) |
 | Anna Żak (1916-2000) |
| Rose M Holka (maid. name Żak) (1920-1983) |
 | Joseph Józef Kostewicz (1910-1993)
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 | Catherine Kostewicz (maid. name Żak) (1913-1982)
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 | Ryszard Richard Kostewicz (1940- ) |
 | Bernard Kostewicz (1945- ) |
 | David Kostewicz (1954- ) |
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.
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