Masurenforschung
Familie: Dukowski, Martin / Sadowski, Ida (F9706)
Dukowski, Martin (1855-1927) 
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Reinhardt, Marie (1843-1917)
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| Dukowski, Martha (1877- ) |
| Dukowski, Paul (1880-1881) |
| Dukowski, Otto Oskar (1882- ) |
| Dukowski, Emilie (1885-1885) |
| Dukowski, Emil (1885-1885) |
| Dukowski, Martin (1877- )
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| Sadowski, Ida (1878- ) |
| Dukowski, Erna Elisabeth (1903- ) |
Dukowski, Ida Marie (1906- )  |
| Dukowsky, Frida Johanna (1910- ) |