 Symphony No. 2 in C major was dedicated to a Duke whose younger brother become the consort of who?
Symphony No. 2 (Raff): Symphony No. 2 in C major, Op. 140, was composed by Joachim Raff in Weimar in 1866. Symphony No. 2 (Raff):  It is dedicated to Ernest II, Duke of Saxe-Coburg and Gotha. Ernest II, Duke of Saxe-Coburg and Gotha: Ernest II (German: "Ernst August Karl Johann Leopold Alexander Eduard"; 21 June 1818 – 22 August 1893) was the sovereign duke of the Duchy of Saxe-Coburg and Gotha, reigning from 1844 to his death. Ernest II, Duke of Saxe-Coburg and Gotha:  Ernest was born in Coburg as the eldest child of Ernest I, Duke of Saxe-Coburg-Saalfeld, and his duchess, Princess Louise of Saxe-Gotha-Altenburg. Ernest II, Duke of Saxe-Coburg and Gotha:  Fourteen months later, his younger brother Prince Albert was born, who became consort of Queen Victoria of the United Kingdom.
Queen Victoria of the United Kingdom