Anne Marguerite Gabrielle de Beauvau

Anne Marguerite Gabrielle de Beauvau (28 April 1707 - 12 March 1792) was a French noblewoman born into the House of Beauvau from the Duchy of Lorraine. She counselled favourites de Louis XV, Madame de Pompadour and Madame du Barry, both mistresses of King Louis XV.

First marriage
In 1721, she married Jacques Henri, Prince of Luxin, son of Charles, Count of Marsan and member of the House of Guise, itself a cadet branch of the House of Lorraine. They had no issue.

Second marriage
In 1739, she married Marshal of France Gaston Pierre de Lévis, Marquis and future Duke of Mirepoix. They had no issue.

Titles

 * 28 April 1707 - 1721 Mademoiselle de Beauvau.
 * 1721 - 2 June 1734 The Princess of Luxin.
 *  2 June 1734 - 1739 The Dowager Princess of Luxin.
 * 1739 - 25 September 1751 The Marquise of Mirepoix.
 * 25 September 1751 - 24 September 1757 The Duchess of Mirepoix
 * 24 September 1757 - 12 March 1792 The Dowager Duchess of Mirepoix