Le faucon (English: The Falcon , Russian: Сокол ) is an "opéra comique" in three acts by the Ukrainian composer Dmitry Bortniansky with a French language libretto by Franz-Hermann Lafermière.
 It was first performed on 11 October 1786 at the Gatchina Palace in Russia by aristocratic amateur singers.
 The plot is borrowed from Boccaccio's "The Decameron" (Fifth Day, 9th tale) which also served as the basis for Pierre-Alexandre Monsigny's 1771 comic opera "Le faucon" (libretto by Michel-Jean Sedaine) (and later for Gounod's "La colombe").
Marguerite Bellanger (10 June 1838 - 23 November 1886) was a French stage actress and courtesan.
 She was a celebrity of Second Empire France and known for her relationship with Napoleon III of France.
 She was often caricatured in contemporary press and is considered to be the model for Émile Zola's "Nana".
 A candy is also named after her.
 She was reputedly the most universally loathed of Napoleon III's mistresses, though perhaps his favorite She outlived Napoleon's deposal in 1870 and died in 1886 aged 48.
The Palais Rohan (Rohan Palace) in Strasbourg is the former residence of the prince-bishops and cardinals of the House of Rohan, an ancient French noble family originally from Brittany.
 It is a major architectural, historical, and cultural landmark in the city.
 It was built next to Strasbourg Cathedral in the 1730s, from designs by Robert de Cotte, and is considered a masterpiece of French Baroque architecture.
 Since its completion in 1742, the palace has hosted a number of French monarchs such as Louis XV, Marie Antoinette, Napoleon and Joséphine, and Charles X.
Philip II, known as Philip Augustus (French: "Philippe Auguste" ; 21 August 1165 – 14 July 1223), was King of France from 1180 to 1223, a member of the House of Capet.
 Philip's predecessors had been known as kings of the Franks, but from 1190 onward, Philip became the first French monarch to style himself king of France.
 The son of King Louis VII and his third wife, Adèle of Champagne, he was originally nicknamed "Dieudonné" "God-given" because he was the first son of Louis VII, born late in his father's life.
 Philip was given the nickname "Augustus" by the chronicler Rigord for having extended the Crown lands of France so remarkably.
Arvire et Évélina is a French-language opera by Antonio Sacchini, first performed at the Académie Royale de Musique (the Paris Opéra) on 29 April 1788.
 It takes the form of a "tragédie lyrique" in three acts.
 The libretto, by Nicolas-François Guillard, is based on the dramatic poem "Caractacus" (1759) by William Mason.
 It was Sacchini's last opera and the score was left incomplete at the time of the composer's sudden death in October 1786.
 The missing music was written by Jean-Baptiste Rey.
The Tuileries Palace (French: "Palais des Tuileries" , ] ) was a royal and imperial palace in Paris which stood on the right bank of the River Seine.
 It was the usual Parisian residence of most French monarchs, from Henry IV to Napoleon III, until it was burned by the Paris Commune in 1871.
This is a simplified family tree of all Frankish and French monarchs, from Chlodio to Napoleon III.
The Palace of Fontainebleau ( ; ] ) or Château de Fontainebleau, located 55 km southeast of the centre of Paris, in the commune of Fontainebleau, is one of the largest French royal châteaux.
 The medieval castle and subsequent palace served as a residence for the French monarchs from Louis VII to Napoleon III.
 It is now a national museum and a UNESCO World Heritage Site.
The Third cabinet of Napoleon III was formed by the Emperor Napoleon III on 2 December 1852, replacing the Second cabinet of Louis Napoleon at the start of the Second French Empire.
 It remained in place (with various ministerial changes) until 17 July 1869, when it was replaced by the Fourth cabinet of Napoleon III.
 The ministers were each accountable to Napoleon III, who was thus both head of state and head of government.
Phèdre ("Phaedra") is an opera by the French composer Jean-Baptiste Lemoyne, first performed at Fontainebleau on 26 October 1786.
 It takes the form of a "tragédie lyrique" in three acts.
 The libretto, by François-Benoît Hoffman, is based on the Greek myth of the obsessive love of Phaedra for her stepson Hippolytus.

Question: Who wrote the opera first performed on 26 October 1786 at the medieval castle and subsequent palace which served as a residence for the French monarchs from Louis VII to Napoleon III?
Answer: Jean-Baptiste Lemoyne