| Nicknames: | "Gustav Siederman", "Gustas Sidermann" |
| Birthdate: | |
| Birthplace: | Paeküla (Paenküll), Märjamaa khk |
| Death: | (Date and location unknown) |
| Managed by: | Vaike Murumets |
| Last Updated: | |
| ???? |
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| 1876 |
January 24, 1876
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Paeküla (Paenküll), Märjamaa khk
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| ???? |
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| 1904 |
1904
Age 28
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| 1911 |
1911
Age 35
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