Louis Charles d'Albert de Luynes
Louis-Charles d'Albert de Luynes, 2nd Duke of Luynes (25 December 1620 – 10 October 1690), was a French nobleman and peer of France. He was a translator and moralist who was the first translator of the work of René Descartes. Early life. Louis-Charles d'Albert was born 25 December 1620 in the Louvre. He was a son of Charles d'Albert, 1st Duke of Luynes, a favorite of Louis XIII, and Princess Marie Aimée de Rohan, Mademoiselle de Montbazon (1600–1679). After his father's death, his mother remarried to Claude de Lorraine, Duke of Chevreuse (a  son of Henry I, Duke of Guise), with whom she had three daughters. Upon Claude's death in 1655, the Chevreuse peerage became extinct and his mother bought the duchy. After her death in August 1679, Louis-Charles inherited the duchy of Chevreuse, and his descendants have held it since. His maternal grandparents were Hercules de Rohan, Duke of Montbazon and, his first wife, Marie de Bretagne d'Avaugour. His paternal grandparents were Anne de Rodulf and Honoré d'Albert (1540–1592), "seigneur" de Luynes (in today's "département" Bouches-du-Rhône in Provence), who was in the service of the three last  Valois kings and of Henry IV of France. His paternal uncle was Honoré d'Albert, Duke of Chaulnes. Career. Luynes was received in Parliament as a peer of France on 24 November 1639, provided on 6 January 1643 with the office of Grand Falconer and received knight of the king's orders on 31 December 1661. At the Château de Vaumurier, which he had built in the immediate vicinity of the abbey of Port-Royal-des-Champs, he lived closely with the Solitaires of Port-Royal, welcoming Blaise Pascal and the young playwright Jean Racine, and participating in many of the  intellectual works of the scholars "Messieurs de Port-Royal", including the translation of the New Testament. In 1647, he translated into French René Descartes' "Méditations Métaphysiques", with Descartes' supervision. He also and wrote several works on morality and piety. As Mestre de camp (equivalent to colonel), he distinguished himself at the head of his regiment attacked by the Spaniards in front of Arras on August 2, 1640 as well as on several other occasions. Personal life. On 23 September 1641, Louis Charles married Louise Marie Séguier, Marquise d'O (1629–1651), a relative of Chancellor Pierre Séguier. Together, they were the parents  of six children: After the death of his first wife, he married his aunt Princess Anne de Rohan-Montbazon (1640–1684) on 4 September 1661. She was the younger half-sister of his mother from his grandfather's second marriage to Madeleine de Lenoncourt. Together, they were the parents of: After Anne's death in 1684, he married, thirdly, to Marguerite d'Aligre (1641–1722) on 23 July 1685. The Duke died on 10 October 1690 in Paris. After his death, his body was transported and buried in the church of the Luynes hospital that he had founded. His widow died on 26  September 1722.