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The first Duke(Herzog) of the Schleswig-Holstein-Sonderburg-Beck Branch a kadet line of the house of Schleswig-Holstein-Sonderburg, Oldenburg:
Predecessor: First duke of Slesvig-Holstein-Sonderburg-Beck Successor: August
1612 |
November 11, 1612
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Sønderborg, Schleswig, Danmark (Denmark)
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1650 |
April 15, 1650
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Haus Beck, Löhne, Fürstentum Minden, Deutschland (Germany)
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1652 |
February 13, 1652
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Haus Beck, Löhne, Fürstentum Minden, Deutschland(HRR)
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1653 |
April 6, 1653
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Haus Beck, Löhne, Fürstentum Minden, Deutschland(HRR)
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1656 |
1656
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Haus Beck, Löhne, Westfalen, Deutschland (Germany)
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1658 |
1658
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1659 |
April 11, 1659
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Haus Beck, Löhne, Fürstentum Minden, Deutschland (Germany)
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