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.

Louise Diane d'Orléans was Princess of Conti from her marriage to Prince Louis François in 1732, until her death in childbirth. She was the youngest child of Philippe II, Duke of Orléans and Françoise Marie de Bourbon, the youngest legitimised daughter of King Louis XIV of France and his mistress Madame de Montespan. She was born while her father was the regent for Louis XV. Some sources referred to her as Louis Diane.