Frederick I of Württemberg spouse Charlotte, Princess Royal
Firstly on 15 October 1780, to Augusta of Brunswick-Wolfenbüttel, by whom he had four children:
King William I of Württemberg (1781–1864), who succeeded his father as king.
Princess Catharina of Württemberg (1783–1835), who on 22 August 1807 married Jérôme Bonaparte, King of Westphalia, youngest brother of Emperor Napoleon I of France, and had issue.
Duchess Sophia Dorothea of Württemberg (1783–1784), died in infancy.
Prince Paul of Württemberg (1785–1852), whose grandson was King William II of Württemberg.
Secondly on 18 May 1797 he married Charlotte, Princess Royal, the eldest daughter of King George III of Great Britain, by whom he had only one child, a stillborn daughter delivered on 27 April 1798.Ancestry
Sources
Sauer, Paul. Der schwäbische Zar. Friedrich – Württembergs erster König. Stuttgart 1984.
Paul, Ina Ulrike. Württemberg 1797–1816/19. Quellen und Studien zur Entstehung des modernen württembergischen Staates (Quellen zu den Reformen in den Rheinbundstaaten, Vol. 7). Munich 2005.
Andermann, Kurt. "Von Mecklenburg nach Württemberg: 200 Jahre Zeppelin in Aschhausen (Zeppelin family history)". schloss-aschhausen.de. Retrieved 27 July 2011. (PDF)
partner