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 Louise of Anhalt-Dessau (1798–1858) "Louise" Fredericka of Anhalt-Dessau (German: "Luise Friederike von Anhalt-Dessau" ) (1 March 1798 – 11 June 1858) was a member of the House of Ascania and a Princess of Anhalt-Dessau by birth. Through her marriage to Gustav, Landgrave of Hesse-Homburg, Louise became Landgravine consort of Hesse-Homburg from 1846 until 1848.