Henri Trianon was a French critic, translator and librettist.

He was an artistic and literary critic in Paris also becoming a teacher. In 1842 he became under-librarian of Sainte Geneviève, and librarian there in 1849. From 1857-59, Trianon was associated with Nestor Roqueplan in the administration of the Opéra-Comique

Opéra-Comique

The Opéra-Comique is a Parisian opera company, which was founded around 1714 by some of the popular theatres of the Parisian fairs. In 1762 the company was merged with, and for a time took the name of its chief rival the Comédie-Italienne at the Hôtel de Bourgogne, and was also called the...

.

He translated works of Homer and Plato and operas by Weber and Mozart into French.

He wrote the story of the ballet Orfa by Adam

Adolphe Adam

Adolphe Charles Adam was a French composer and music critic. A prolific composer of operas and ballets, he is best known today for his ballets Giselle and Le corsaire , his operas Le postillon de Lonjumeau , Le toréador and Si j'étais roi , and his Christmas...

 and several librettos including Pantagruel by Théodore Labarre (1855), Les Bleuets by Jules Cohen (1867), and co-writing Ivan IV

Ivan IV (opera)

Ivan IV is an opera in five acts by Georges Bizet, with a libretto by Francois-Hippolyte Leroy and Henri Trianon.-Composition history:A libretto on the subject of Ivan the Terrible was offered to Charles Gounod in January 1856 by the general administrator of the Paris Opera, François Louis Crosnier...

by Bizet

Georges Bizet

Georges Bizet formally Alexandre César Léopold Bizet, was a French composer, mainly of operas. In a career cut short by his early death, he achieved few successes before his final work, Carmen, became one of the most popular and frequently performed works in the entire opera repertory.During a...

 (which had first been offered to Gounod

Charles Gounod

Charles-François Gounod was a French composer, known for his Ave Maria as well as his operas Faust and Roméo et Juliette.-Biography:...

).