Charles, Prince of Nassau-Usingen
Prince of Nassau-Usingen (1718-1775)
Charles, Prince of Nassau-Usingen (31 December 1712 – 21 June 1775), was Prince of Nassau-Usingen.
Family
Charles was born in Usingen, the son of William Henry of Nassau-Usingen and Countess Charlotte Amalia of Nassau-Dillenburg.
After Charles' father died in 1718, Charlotte Amalia acted as regent for both Charles and his younger brother William Henry II. In 1728, Charles inherited the counties of Nassau-Ottweiler, Nassau-Idstein and Nassau-Saarbrücken from his second cousin Frederick Louis. These counties were then added to his county of Nassau-Usingen.
In 1734, he was declared an adult by Emperor Charles VI. In 1735, he and William Henry II divided their inheritance. Charles received Usingen, Idstein, Wiesbaden and Lahr; William Henry II received Nassau-Saarbrücken and some smaller territories. He then moved his residence from Usingen in the Taunus to Schloss Biebrich in Biebrich and continued the progressive policies of his mother.
Charles died in 1775 in Biebrich and was succeeded by his son Charles William.
Marriage and issue
On 26 December 1734 Charles married Princess Christine Wilhelmine of Saxe-Eisenach (born: 1711), a daughter of Duke John William III. The marriage produced four children:
Charles William (1735–1803), Prince of Nassau-Usingen
Christine (1736–1741)
Frederick Augustus (1738–1816), Prince of Nassau-Usingen (1803–1816) and Duke of Nassau (1806–1816)
John Adolph (1740–1793), Prussian general
In the second, morganatic marriage, Charles married Magdalene Gross from Wiesbaden (born: 1712). From this marriage he also had four children:
Philippa Catherine von Biebrich (born: Idstein 17 May 1744; died: 17 July 1798), married at Biebrich June 1773 to Baron Karl Friedrich von Kruse (1738–1806)
Karl Philipp von Biebrich, Count von Weilnau (born: 25 March 1746; died: 15 August 1789 Wiesbaden).
This brief starts where responsible research should: with the source description of “Charles, Prince of Nassau-Usingen” as prince of Nassau-Usingen (1718-1775). Everything that follows is an evidence route, not borrowed authority.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jun 7, 2026. The linked authority identifier is Q475936. VIAF identifies the subject as 2853099. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1712, 1775, 1718 and 1728.
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