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https://en.wikipedia.org/wiki/Frederick_Casimir_Kettler
Frederick Casimir Kettler (German: Friedrich Casimir Kettler; 6 July 1650 – 22 January 1698) was Duke of Courland and Semigallia from 1682 to 1698. Frederick Casimir was the son of Jacob Kettler and Louise Charlotte of Brandenburg. In his reign the Duchy lost its geopolitical position and became Sweden, Prussia and Russia's territorial subject of interests.
http://vesture.eu/index.php/Ketlers_Fridrihs_Kazimirs,_Kurzemes_her...
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1650 |
July 6, 1650
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Yelgava(MItau), Semgallen, Grand Duchy of Lithuania
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1682 |
April 3, 1682
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1684 |
August 2, 1684
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Mitau, Kurland, Poland
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1686 |
June 11, 1686
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Mitau, Kurland, Deutschland(HRR)
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1687 |
July 23, 1687
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Jelgava, Latvia
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1688 |
November 15, 1688
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1692 |
July 19, 1692
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Jelgava, Jelgava, Zemgale, Latvia
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July 19, 1692
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Yelgava(MItau), Semgallen, Grand Duchy of Lithuania
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