BiographyKarl von Nassau-Usingen, Fürst von Nassau-Usingen, was born 1 January 1712 in Usingen to Wilhelm Heinrich von Nassau-Usingen (1684-1718) and Charlotte Amalie von Nassau-Dillenburg (1680-1738) and died 21 June 1775 in Biebrich of unspecified causes. He married Christiane Wilhelmine von Sachsen-Eisenach (1711-1740) 26 November 1734 in Eisenach. Notable ancestors include Henry II of England (1133-1189), William I of England (1027-1087), Charlemagne (747-814), Hugh Capet (c940-996), Alfred the Great (849-899), Rurik (c832-879). Ancestors are from Germany, France, the United Kingdom, Poland, Austria, Denmark, Lithuania, Belarus, Bohemia, Belgium, the Netherlands, Russia, Ukraine, Switzerland, the Czech Republic, Byzantium, Italy, Spain, Slovakia, Slovenia, Hungary, Portugal, England, the Byzantine Empire.
Common ancestors of Karl von Nassau-Usingen (1712-1775) and Christiane Wilhelmine von Sachsen-Eisenach (1711-1740)