Who married Marie Charlotte de La Tour d'Auvergne?

Marie Charlotte de La Tour d'Auvergne (Marie Sophie Charlotte; 20 December 1729, Paris – 6 September 1763), was a French noblewoman and member of the House of La Tour d'Auvergne. Married into the House of Beauvau, a powerful family originating in Anjou, she had a daughter at the age twenty, and died of smallpox at the age of thirty three. The present Duke of Mouchy branch of the Noailles family are descended from her.

Charles Juste de Beauvau, 2nd Prince of Craon (10 September 1720 – 21 May 1793), 2nd Prince of Craon (1754), Marshal of France (1783) was a French scholar, nobleman and general. The son of Marc de Beauvau, he was also brother of the famous Madame de Boufflers and through her uncle to the poet Stanislas de Boufflers.