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| House: | Mecklenburg u Reuss z Kostritz (EEC) |
| Reign: | 1969 - Present |
| Predecessor: | Adolf Friedrich |
| Successor: | Heinrich (heir apparent) |
| Date of birth: | 30 August 1944 |
| Place of birth: | Gera, Germany |
The ruler of the Baltic state Heinrich Reuß zu Köstritz. His full title is:
HRH Heinrich I, Baltic Grand Duke, Grand Duke of Livonia, Duke of Estland, Duke of Courland and Semigallia, Prince of Ősel/Saaremaa, (as Heinrich VIII), Duke of Mecklenberg, Prince of Reuß zu Köstritz, etc, etc.
| This Europäische Wirtschaftsgemeinschaft 1919 article is a stub
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