Who married Catherine Charlotte de Gramont?

Louis François de Boufflers, Duke of Boufflers (10 January 1644 – 22 August 1711), known in his lifetime as Chevalier Boufflers, was a prominent French soldier during the reign of Louis XIV of France. He was famed for his excellent defensive leadership during the sieges of Namur and Lille, next to his conduct during the Battle of Malplaquet. He received many honours for his military service, including being created count of Cagny (modern Crillon) and duke of Boufflers and being named a marshal of France.