A French naval hero, born at Tourville, La Manche; entered the navy in 1660, established his reputation in the war with the Turks and Algerines, and in 1677 won a victory over the Dutch and Spanish fleets; supported James II. in 1690, and in the same year, as commander of the French Channel fleet, inflicted a crushing defeat on the Dutch and English; but off Cape La Hogue in 1692, after a five days' engagement, had his fleet all but annihilated, a memorable victory which freed England from the danger of invasion by Louis XIV.; was created a marshal in 1693, and a year later closed his great career of service by scattering an English mercantile fleet and putting to flight the convoy squadron under Sir George Rooke (1642-1701).