Fifth Duke of, grandson of preceding; at 15 he became archbishop of Rheims, but the death of his brother placed him in the dukedom (1640); he opposed Richelieu, was condemned to death, but fled to Flanders; with Masaniello he made a fruitless attempt to seize the kingdom of Naples, and eventually settled in Paris, becoming grand-chamberlain to Louis XIV. (1614-1664).