One composer with this surname included a theme and variations in the style of a funeral march in his Piano Quintet in E-Flat Major. A composer (10[1])with this surname was the dedicatee of Variations and Fugue on a Theme by Handel by Brahms. In 1845, a composer with this surname premiered the A minor piano (10[1])concerto of another composer (10[1])with this (10[1])surname. One composer with this surname included a trombone chorale in the fourth movement of a symphony inspired by Cologne Cathedral, subtitled “Rhenish.” (10[1])That composer with this surname (10[1])also wrote Album for the Young and Carnaval. (10[1])For 10 points, give this surname of the married composers Clara and Robert. (10[1])■END■ (10[3])