1821-1903 FR
Étienne Victor Tréfeu (de Tréval) (born Saint-Lô, Manche, September 25, 1821 – died Paris, June, 1903), was a French librettist, song writer and theatre manager. He is best known for his work with Jacques Offenbach, including Le rêve d'une nuit d'été (1855), Croquefer, ou Le dernier des paladins (1857), Geneviève de Brabant (1859), Il signor Fagotto (1863), Le fifre enchanté, ou Le soldat magicien (1864), Jeanne qui pleure et Jean qui rit (1864), Coscoletto, ou Le lazzarone (1865), La princesse de Trébizonde (1869), La romance de la rose (1869), Boule de neige (1871), and Whittington (1874).