Étienne Tréfeu

Étienne Victor Tréfeu (de Tréval) (born Saint-Lô, Manche, 25 September 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).

He originally came to prominence as a writer of popular songs. In 1873 he became the administrator of the Théâtre de la Gaîté in Paris.

Source

Tréfeu (de Tréval), Etienne (Victor) by Andrew Lamb, in 'The New Grove Dictionary of Opera', ed. Stanley Sadie (London, 1992) ISBN 0-333-73432-7