| Birthdate: | |
| Birthplace: | Wenden, Arnsberg, North Rhine-Westphalia, Germany |
| Death: | Died in Vienna, Vienna, Austria |
| Occupation: | Mõisnik ja riigimees |
| Managed by: | Andres Männart |
| Last Updated: | |
http://daten.digitale-sammlungen.de/~db/bsb00000600/images/index.html?seite=475
Peter Andreas Konstantin (Konstant) von Ungern-Sternberg oli Eestimaa Rüütelkonna peamees 1854-1857.
| 1841 |
May 3, 1841
Age 25
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Karkus
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| 1815 |
November 4, 1815
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Wenden, Arnsberg, North Rhine-Westphalia, Germany
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| 1872 |
July 20, 1872
Age 56
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Vienna, Vienna, Austria
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