Thésée ("Theseus") is an opera by the French composer Jean-Joseph de Mondonville, first performed at Fontainebleau on 7 November 1765.
 It takes the form of a "tragédie en musique" in five acts.
 The opera is a new setting of a libretto by Philippe Quinault, originally set by Jean-Baptiste Lully in 1675.
 Mondonville's version was not a success and did not get to enjoy its public premiere at the Paris Opera until 13 January 1767, but audience rejected it calling for the restoration of Lully's original music.
 Mondonville's opera was withdrawn for good after its fourth performance.
Orphée ("Orpheus") is an opera by the French composer Louis Lully, with contributions from his brother Jean-Baptiste Lully the Younger.
 It was first performed at the Académie Royale de Musique (the Paris Opera) on 21 February 1690.
 It takes the form of a "tragédie en musique" in five acts and a prologue.
 The libretto is by Michel Duboullay.
Pascal Collasse (or Colasse) (22 January 1649 (baptised) – 17 July 1709) was a French composer of the Baroque era.
 Born in Rheims, Collasse became a disciple of Jean-Baptiste Lully during the latter's domination of the French operatic stage.
 When Lully died in 1687 leaving his tragédie en musique "Achille et Polyxène" unfinished, Collasse completed the last four acts of the score.
 He went on to produce around a dozen operas and ballets, as well as sacred music, including settings of the "Cantiques spirituels" of Jean Racine.
 His plan to establish his own opera house in Lille ended in failure when the theatre burnt down.
 He dabbled in alchemy with even less success.
 His musical style is close to that of Lully.
The city of Paris has been an important center for European music since the Middle Ages.
 It was noted for its choral music in the 12th century, for its role in the development of ballet during the Renaissance, in the 19th century it became famous for its music halls and cabarets, and in the 20th century for the first performances of the Ballets Russes, its jazz clubs, and its part in the development of serial music.
 Paris has been home to many important composers, to name a few: Jean-Baptiste Lully, Jean-Philippe Rameau, Christoph Willibald Gluck, Niccolò Piccinni, Frédéric Chopin, Franz Liszt, Jacques Offenbach, Georges Bizet, Claude Debussy, Maurice Ravel, Hector Berlioz, Paul Dukas, Gabriel Fauré, César Franck, Charles Gounod, Jules Massenet, Vincent d'Indy, Camille Saint-Saëns, Erik Satie, Igor Stravinsky, Sidney Bechet...
Jean-Baptiste Lully fils (Paris, 6 August 1665 – 9 March 1743) was a French musician and the second son of the composer Jean-Baptiste Lully.
 He was also known as Baptiste Lully, Lully fils, and Monsieur Baptiste.
 He was born and died in Paris.
Déjanire is an opera (tragédie lyrique) in 4 acts composed by Camille Saint-Saëns to a libretto in French by Louis Gallet and Camille Saint-Saëns.
 The last of Saint-Saëns' operas, it premiered on 14 March 1911 at the Théâtre de Monte-Carlo.
 One of the opera's central characters, Hercule (Hercules), had been the subject of two earlier symphonic poems by Saint-Saëns – "Le Rouet d'Omphale" (1872) and "La Jeunesse d'Hercule" (1877).
 The story is based on "The Trachiniae" by Sophocles (also the source for Handel's opera "Hercules").
Jean-Baptiste Lully (] ; born Giovanni Battista Lulli ] ; 28 November 1632 – 22 March 1687) was an Italian-born French composer, instrumentalist, and dancer who spent most of his life working in the court of Louis XIV of France.
 He is considered a master of the French baroque style.
 Lully disavowed any Italian influence in French music of the period.
 He became a French subject in 1661.
The German Forum for Art History Paris (Deutsches Forum für Kunstgeschichte (DFK; Centre Allemand d'Histoire de l'Art de Paris; German Center for the History of Art, Paris) is a German research institute specialized in French and German art and currently situated in the Hôtel de Lully in Paris, the former residence of the French composer Jean-Baptiste Lully.
 It organizes conferences, symposia, and workshops, undertakes research projects, and has published many books on art.
Orpheus (full title: Die wunderbare Beständigkeit der Liebe oder Orpheus, "The Wonderful Constancy of Love, or Orpheus") is an opera in three acts by the German composer Georg Philipp Telemann.
 It was first performed in a concert version at the Oper am Gänsemarkt in Hamburg on 9 March 1726.
 The anonymous libretto is based on "Orphée" by Michel du Boulay, originally set by the French composer Louis Lully.
 Most of the work is in German but it also contains passages in French and Italian drawn from famous operas by Handel and Jean-Baptiste Lully.
 The music to these words is Telemann's own, however.
 The manuscript score of "Orpheus" was not rediscovered until the late 20th century.
Charles-Camille Saint-Saëns (] , traditionally pronounced ] in French; (9 October 183516 December 1921) was a French composer, organist, conductor and pianist of the Romantic era.
 His best-known works include Introduction and Rondo Capriccioso (1863), the Second Piano Concerto (1868), the First Cello Concerto (1872), "Danse macabre" (1874), the opera "Samson and Delilah" (1877), the Third Violin Concerto (1880), the Third ("Organ") Symphony (1886) and "The Carnival of the Animals" (1886).

Question: Which French composer lived earliest: Jean-Baptiste Lully or Camille Saint-Saëns?
Answer: Jean-Baptiste Lully