Apollo (Attic, Ionic, and Homeric Greek: Ἀπόλλων, Apollōn (gen.: Ἀπόλλωνος); Doric: Ἀπέλλων, Apellōn; Arcadocypriot: Ἀπείλων, Apeilōn; Aeolic: Ἄπλουν, Aploun; Latin: Apollō) is one of the most important and complex of the Olympian deities in ancient Greek and Roman religion, Greco–Roman Neopaganism, and Greek and Roman mythology. The ideal of the kouros (a beardless, athletic youth), Apollo has been variously recognized as a god of light and the sun, truth and prophecy, healing, plague, music, poetry, and more. Apollo is the son of Zeus and Leto, and has a twin sister, the chaste huntress Artemis. Apollo is known in Greek-influenced Etruscan mythology as Apulu.
As the patron of Delphi (Pythian Apollo), Apollo was an oracular god—the prophetic deity of the Delphic Oracle. Medicine and healing are associated with Apollo, whether through the god himself or mediated through his son Asclepius, yet Apollo was also seen as a god who could bring ill-health and deadly plague. Amongst the god's custodial charges, Apollo became associated with dominion over colonists, and as the patron defender of herds and flocks. As the leader of the Muses (Apollon Musegetes) and director of their choir, Apollo functioned as the patron god of music and poetry. Hermes created the lyre for him, and the instrument became a common attribute of Apollo. Hymns sung to Apollo were called paeans.
The Château de Champs, at Champs-sur-Marne was built in its present form for the treasurer Charles Renouard de la Touane in 1699 by Pierre Bullet, architecte du roi. After the first proprietor's bankruptcy, another financier, Paul Poisson de Bourvalais, took up the project. Jean-Baptiste Bullet de Chamblain, the son of Pierre Bullet, finished Champs in 1706.
Ten years later, Paul Poisson was in the Bastille on charges of embezzlement and the château was seized by the Crown. In 1718, it was sold to the princesse de Conti, natural daughter of King Louis XIV of France and his first official mistress, Louise de La Vallière. That same year, however, the princess cancelled a debt by deeding Champs to her first cousin, the duc de la Vallière. When the duke died in 1739, he left the château to his son and heir, the famous bibliophile, Louis César de La Baume Le Blanc. The new duc de La Vallière was later to become a trusted friend of King Louis XV and his mistress, Madame de Pompadour.
Around 1750, the duke added a beautiful rococo salon chinois (Chinese salon) to the château with wall paintings by noted artist Christophe Huet. At the château, Louis César entertained many of the famous writers of the day, including Diderot, Voltaire, d'Alembert and François-Augustin de Paradis de Moncrif, with whom he also corresponded regularly.