Ferdinand Jahn
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| Friedrich Jahn | |
| B: | 16 Oct 1874 |
| Tristin, Rozyszcze, Volhynia | |
| Wilhelmine Riedner | |
| B: | 14 Aug 1877 |
| Antonowka, Rozyszcze, Volhynia | |
| Henriette Steinke | |
| B: | 1847 |
| Budaschowitz, Petrikau | |
| D: | 24 May 1889 |
| Radziwilczisna, Luzk, Volhynia | |