Portrait d'Augusta Marie Jeanne de Baden-Baden, duchesse d'Orléans - Alexis Simon Belle

Margravine Auguste Marie Johanna of Baden-Baden (10 November 1704 – 8 August 1726) was born a member of the ruling family of Baden-Baden and was later the Duchess of Orléans by marriage to Louis d'Orléans, Duke of Orléans. Her husband was a grandson of her father's former enemy, Louis XIV of France. Known in France as Auguste de Bade, she died in childbirth. She is an ancestor of Louis Philippe I and of several members of royal families of Europe, such as the Spanish and Italian royal families, as well as the present Grand Duke of Luxemburg.