Who married Louis, Duke of Orléans (1703–1752)?

Louis, Duke of Orléans (4 August 1703 – 4 February 1752) was a member of the House of Orléans, a cadet branch of the House of Bourbon, and as such was a prince du sang. At his father's death, he became the First Prince of the Blood (Premier Prince du Sang) and Duke of Orléans. Known as Louis le Pieux and also as Louis le Génovéfain, Louis was a pious, charitable and cultured prince, who took very little part in the politics of the time.

Auguste Marie Johanna of Baden-Baden (10 November 1704 – 8 August 1726), later Auguste Marie Jeanne, Duchess of Orléans, was a member of the ruling family of Baden-Baden who became Duchess of Orléans as the wife of 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.