Louise Adélaïde d'Orléans was the second daughter of Philippe d'Orléans and Françoise Marie de Bourbon, a legitimised daughter of Louis XIV of France and his mistress, Madame de Montespan. She was an Abbess of Chelles.

Philippe II, Duke of Orléans, was a French prince, soldier, and statesman who served as Regent of the Kingdom of France from 1715 to 1723. He is referred to in French as le Régent. He was the son of Monsieur Philippe I, Duke of Orleans, and Madame Elisabeth Charlotte, Duchess of Orléans. Born at his father's palace at Saint-Cloud, he was known from birth by the title of Duke of Chartres.