From birth, Philippe was second in line to the throne of France and was entitled to the style of Royal Highness. As such, he ranked immediately behind his older brother Louis, Dauphin of France, who inherited the French throne before Philippe reached the age of three.
As the son of a ruling king, the infant Philippe held the rank of a Fils de France (son of France). Philippe was born on 21 September 1640 at the Château de Saint-Germain-en-Laye in the town of Saint-Germain-en-Laye, France, the day before his mother Anne’s 39th birthday. Philippe and his elder brother, the future Louis XIV, by an unknown painter Through careful personal administration, he greatly augmented the fortunes of the House of Orléans. The Duke was military commander at the Battle of Cassel in 1677. Philippe was the founder of the House of Orléans, a cadet branch of the ruling House of Bourbon, and thus the direct ancestor of Louis Philippe I, who ruled France from 1830 until 1848 in the July Monarchy. He married twice, first to Henrietta of England and then to Elizabeth Charlotte of the Palatinate, fathering several children. Throughout his life, Philippe was open about his preference for male lovers, most notably the Chevalier de Lorraine, and freely acted with effeminacy. Following Philippe's victory in battle in 1671, Louis XIV granted his brother the dukedom of Nemours, the marquisates of Coucy and Folembray, and the countships of Dourdan and Romorantin.
In 1661, he also received the dukedoms of Valois and Chartres. Styled Duke of Anjou from birth, Philippe became Duke of Orléans upon the death of his uncle Gaston in 1660. His elder brother was the "Sun King", Louis XIV. Monsieur Philippe I, Duke of Orléans (21 September 1640 – 9 June 1701), was the younger son of King Louis XIII of France and his wife, Anne of Austria. Élisabeth Charlotte, Duchess of Lorraine.