What sovereign duke of the Duchy of Saxe-Coburg and Gotha, composed the opera Diana von Solange in 1858?
Diana von Solange Diana von Solange is an opera by the German prince Ernst II of Saxe-Coburg-Gotha, an amateur composer. It was premiered in 1858. In 1859, Franz Liszt wrote an orchestral "Festmarsch nach Motiven von E. H. z. S-C-G", S.116, based on themes from "Diana von Solange" (E. H. z. S-C-G was short for Ernst Herzog zu Sachsen-Coburg-Gotha).
Princess Amalie of Saxe-Coburg and Gotha Princess Marie Luise Franziska "Amalie" of Saxe-Coburg and Gotha, full German name: "Marie Luise Franziska Amalie, Prinzessin von Sachsen-Coburg und Gotha, Herzogin zu Sachsen" (23 October 1848, Coburg, Saxe-Coburg and Gotha – 6 May 1894, Schloss Biederstein, Schwabing, Munich, Kingdom of Bavaria) was a Princess of Saxe-Coburg and Gotha by birth and a Duchess in Bavaria through her marriage to Duke Maximilian Emanuel in Bavaria. Amalie was the fourth child and second eldest daughter of Prince August of Saxe-Coburg and Gotha and his wife Princess Clémentine of Orléans. Her youngest brother was Ferdinand I of Bulgaria.