Karl August, sometimes anglicised as Charles Augustus, was the sovereign Duke of Saxe-Weimar and of Saxe-Eisenach from 1758, Duke of Saxe-Weimar-Eisenach from its creation in 1809, and grand duke from 1815 until his death. He is noted for the... Wikipedia
Born: September 3, 1757, Weimar, Germany
Died: June 14, 1828 (age 70 years), Graditz, Torgau, Germany
Great-grandparents: Friedrich Wilhelm I of Prussia, Sophia Dorothea of Hanover, George Frederick Charles, Margrave of Brandenburg-Bayreuth, and more
Spouse: Princess Louise of Hesse-Darmstadt (m. 1775)