Jean Baptiste Louis Fr%C3%A9d%C3%A9ric de La Rochefoucauld de Roye

JeanBaptiste Louis Frdric de La Rochefoucauld de Roye was made duc dAnville by King Louis XV of France and pursued a military career in the French galley corps. He is best known for leading the French fleet on the disastrous Duc dAnville Expedition to Acadia.

DAnville was born onAugust 1709, the son of Louis de La Rochefoucauld, Marquis de Roye, a distant cousin of the Dukes of La Rochefoucauld and Marthe Ducasse. He married MarieLouiseNicole de La Rochefoucauld, daughter of Alexandre, Duke de La Rochefoucauld. Alexandre had no surviving sons and exceptionally gained the permission of the Pope and the French King to hand the ducal title through the female line, but one of the conditions was that his daughter must marry a La Rochefoucauld. JeanBaptiste de La Rochfoucauld de Roye was created Duc DAnville onFebruary 1732, a few days before the marriage. He was an officer in the galley corps , transferring into the French navy in 1734, and he was appointed lieutenant general of in January 1745.

Source: Wikipedia