Michel-Ange Duquesne de Menneville was born around 1700 at Toulon, one of France’s principal Mediterranean naval bases. He was the son of Abraham Duquesne-Monnier, a naval officer related to the celebrated admiral Abraham Duquesne, and Marthe de Bérenger. Raised in a family of Protestant origin that had remained in royal service, he grew up within the professional culture of the French Navy. Toulon exposed him early to dockyards, ships, artillery, navigation, and the administrative machinery needed to sustain forces overseas.

Duquesne entered the navy as a garde-marine in 1715. He served in Mediterranean and Atlantic waters, gradually advancing through a hierarchy that demanded technical competence and aristocratic patronage. His assignments gave him experience commanding ships, managing crews, and carrying out royal policy at great distances. In 1745 he became a captain and later received the marquisate of Duquesne.

Unlike many colonial governors, Duquesne approached imperial problems as a naval officer accustomed to supply lines and strategic chains of communication. France selected him to become governor general of New France in 1752, succeeding the Marquis de La Jonquière. He arrived in Canada at a moment when British traders and land companies were expanding into the Ohio country. French authority between Canada and Louisiana depended on scattered forts and alliances with Indigenous nations.

Duquesne had limited prior experience with Canadian politics, but he brought administrative discipline and a clear determination to enforce French territorial claims. He assessed the colony’s military readiness, strengthened the colonial regular troops, and supported a coordinated movement into the Ohio watershed. His early career in a service built around distant stations and maritime communications prepared him to view the interior fort network as an imperial system. That perspective shaped the policies that brought France and Virginia into direct confrontation.