Ernest I, called "Ernest the Pious" (25 December 1601 – 26 March 1675), was a duke of Saxe-Gotha and Saxe-Altenburg. The duchies were later merged into Saxe-Gotha-Altenburg . He was the ninth but sixth surviving son of Johann II, Duke of Saxe-Weimar , and Dorothea Maria of Anhalt .
The only son of Bernhard II, Duke of Saxe-Meiningen and Princess Marie of Hesse-Kassel, he had led a battalion from Meiningen in support of the Prussians in the First Schleswig War in 1849. After resuming his military career in Berlin, Georg soon became engaged to Charlotte, whose position as a niece of Frederick William IV of Prussia surely recommended her to him.
Charlotte of Mecklenburg-Strelitz (19 May 1744 – 17 November 1818) was the queen of the United Kingdom as the wife of King George III.She was queen consort of the United Kingdom from her marriage on September 8, 1761 to to death, on November 18,1818.
The capitals of Duchy were Coburg and Gotha, the Duchy had an area of 751 sq. miles made up of the two chief divisions, the Duchy of Coburg (216 sq. miles) and the Duchy of Gotha (541 sq. miles), these divisions are separated from each other by a portion of Saxe-Meiningen and a strip of land belonging to Prussia (Kreis Schleusingen).