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).
Countess Caroline of Erbach-Fürstenau Countess Caroline Amalie of Erbach-Fürstenau (born: 29 September 1700 at Fürstenau Castle, Michelstadt – died: 7 May 1758 in Hildburghausen), was a countess of Erbach-Furstenau and by marriage Duchess of Saxe-Hildburghausen. From 1745 to 1748, she was also Regent of Saxe-Hildburghausen.