Duchy of Courland and Semigallia
- Coat of Arms
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Duchy of Courland and Semigallia
- Ruling Houses
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House of Kettler
1561–1737 -
House of Biron
1737–1740 -
Council of the Duke
1740–1758 -
House of Brunswick-Bevern
Louis Ernest of Brunswick-Lüneburg
1741 -
House of Wettin
Charles of Saxony
1758–1763 -
House of Biron
1763–1795 -
House of Romanov
1795-1918
Conquered by Russia
- Noble Houses
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House of baron von Ascheberg
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House of von Bagge af Boo
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House of von Behr
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House of von Bülow
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House of baron von Fircks
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House of von Freytag-Loringhoven
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House of von Galen gen. Halswig
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House of von Hahn
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House of von Landsberg
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House of Oettingen
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House of count Orlow
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House of Uexküll
