Marie de Lorraine (12 August 1674 – 30 October 1724) was a princess of the House of Lorraine-Guise and Princess of Monaco as consort of Antonio I of Monaco. She was the mother of Louise Hippolyte Grimaldi, the only sovereign Princess of Monaco. Mademoiselle d'Armagnac Marie was the ninth of fourteen children born to Louis of Lorraine, Count of Armagnac and his wife, Catherine de Neufville. Her father was a member of the House of Guise, cadet branch of the House of Lorraine, where he held the rank of a prince étranger at the French court. Her mother was a daughter of Nicolas de Neufville, Duke of Villeroy, a marshal of France and the governor of Louis XIV during the latter's youth. Duchess of Valentinois In a ceremony conducted by Pierre du Cambout de Coislin in the royal chapel of Versailles, Marie married Antonio Grimaldi, Duke of Valentinois on 13 June 1688. The couple signed their wedding contract on 8 June 1688. As part of the marriage contract, Louis XIV gave the House of Grimaldi the official rank of Foreign Princes at court. Her husband was the son and heir of Louis I, Prince of Monaco and Catherine Charlotte de Gramont, a former mistress of Louis XIV who had arranged the marriage between Marie and Antonio. Court gossips later stated that the match had been a scheme of Madame de Maintenon, who feared that if she did not remove Marie from court she would become mistress to the king. However Madame de Maintenon wrote that Marie was one of the most "likeable women in the kingdom". The marriage was not happy. Antonio was described as a brute who had affairs with singers from the Opera when he visited Paris between his military assignments, and Marie responded by finding lovers of her own. Saint-Simon described her in his Memoirs: "the duchesse de Valentinois was a charming young thing... spoilt by her parents' fondness for her and by the attentions of the courtiers who frequented the Lorraine household ... [The beautiful daughters] who were its chief adornment attracted the most glittering young men. Her husband, very sensibly, realised he hadn't the upper hand", and Madame de La Fayette described her as "more of an elegant flirt than all of the ladies of the kingdom put together". Marie was sent to Monaco by her consort during his military service in 1692, where she