| Birthdate: | |
| Birthplace: | Ugartsthal |
| Death: | Died |
| Managed by: | Włodzimierz Macewicz |
| Last Updated: | |
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Immediate Family
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father -
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brother
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brother
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sibling
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Jan Jerzy Steffen's Timeline
| 1860 |
June 12, 1860
Age 27
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| 1832 |
October 15, 1832
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Ugartsthal
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