Schleswig-Holstein-Sonderburg-Plön-Rethwisch
The ducal line of Schleswig-Holstein-Sonderburg-Plön-Rethwisch descended from the line of Schleswig-Holstein-Sonderburg-Plön. It was founded by Joachim Ernest II (born 5 October 1637; died 5 October 1700) who as the third son of the Duke of Plön, Joachim Ernest, received the estate of Rethwisch in Stormarn as his inheritance. He was a general to the Spanish royal house in the Netherlands and became a Roman Catholic in 1673.
The line laid claim to the domain of Plön; this was rejected however by the King of Denmark. John Ernest Ferdinand (born 4 December 1684; died 21 May 1729) appealed to the Supreme Court and was vindicated. He died without leaving living descendants.
List of dukes
[edit]| Reign | Name | Remarks |
|---|---|---|
| 1671-1700 | Joachim Ernest II | Founder of the line |
| 1700-1729 | John Ernest Ferdinand | Son |
Sources
[edit]- Schleswig-holsteinische Blätter für 1835-[40] [1]
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