House of 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.