Frederick William II, Prince of Nassau-Siegen (11 November 1706 in Siegen – 11 November 1734 in Siegen) was the last Prince of Nassau-Siegen from the Calvinist line. He was the eldest son of Frederick William Adolph (1680–1722) and his wife, Juliane of Hesse-Homburg (1681–1707).
He was only 16 years old when he inherited the principality and was unable to lead it out of its financial crisis.
He died in 1734 without a male heir. Emperor Charles VI then enfeoffed Nassau-Siegen to William IV of Orange-Nassau-Dietz.
Marriage and issue
On 23 September 1728, Frederick William II married Sophie Polyxena Concórdia of Sayn-Wittgenstein-Hohenstein (28 May 1709 in Berlin – 15 December 1781 in Siegen), the daughter of Count August David zu Sayn-Wittgenstein-Hohenstein. They had five daughters:
- Sophie Charlotte (6 June 1729 – 2 April 1759) married on 30 September 1748 to Count Charles Paul Ernest of Bentheim-Steinfurt (younger line)
- Friederike Wilhelmine (3 April 1730 – 18 November 1733)
- Marie Eleanor Concordia (2 March 1731 – 20 April 1759). She died of smallpox in the house of the preacher Theodore Diederich Henrich Wever in Kamen
- Friederike Auguste (1 June 1732 – 23 March 1733)
- Anna Catharina Charlotte Auguste (19 June 1734 – 9 June 1759)
Ancestors
Ancestors of Frederick William II, Prince of Nassau-Siegen |
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| | | | | | | | | | | | | | | | | | | 16. John VII, Count of Nassau | | | | | | | | | 8. Henry II, Count of Nassau-Siegen | | | | | | | | | | | | | 17. Margaretha of Schleswig-Holstein-Sonderburg | | | | | | | | | 4. William Maurice, Prince of Nassau-Siegen | | | | | | | | | | | | | | | | 18. Georg Ernst of Limburg Stirum | | | | | | | | | 9. Marie Elisabeth of Limburg-Styrum | | | | | | | | | | | | | 19. Magdalena of Bentheim | | | | | | | | | 2. Frederick William Adolf, Prince of Nassau-Siegen | | | | | | | | | | | | | | | | | | | 20. Louis Henry, Prince of Nassau-Dillenburg | | | | | | | | | 10. Adolph, Prince of Nassau-Schaumburg | | | | | | | | | | | | | 21. Catherine of Sayn-Wittgenstein | | | | | | | | | 5. Ernestine Charlotte of Nassau-Schaumburg | | | | | | | | | | | | | | | | 22. Peter Melander, Count of Holzappel | | | | | | | | | 11. Elisabeth Charlotte, Countess of Holzappel | | | | | | | | | | | | | 23. Agnes of Effern | | | | | | | | | 1. Frederick William II, Prince of Nassau-Siegen | | | | | | | | | | | | | | | | | | | | | | 24. George I, Landgrave of Hesse-Darmstadt | | | | | | | | | 12. Frederick I, Landgrave of Hesse-Homburg | | | | | | | | | | | | | 25. Magdalene of Lippe | | | | | | | | | 6. Frederick II, Landgrave of Hesse-Homburg | | | | | | | | | | | | | | | | 26. Christopher of Leiningen-Westerburg | | | | | | | | | 13. Margaret Elisabeth of Leiningen-Westerburg | | | | | | | | | | | | | 27. Anna Maria Ungnad, Baroness of Weissenwolff | | | | | | | | | 3. Elisabeth Franciska of Hesse-Homburg | | | | | | | | | | | | | | | | | | | 28. Wilhelm Kettler | | | | | | | | | 14. Jacob Kettler | | | | | | | | | | | | | 29. Duchess Sophie of Prussia | | | | | | | | | 7. Louise Elisabeth of Courland | | | | | | | | | | | | | | | | 30. George William, Elector of Brandenburg | | | | | | | | | 15. Margravine Louise Charlotte of Brandenburg | | | | | | | | | | | | | 31. Elisabeth Charlotte of the Palatinate | | | | | | | |
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