Longueuil, Charles le Moyne, sieur de (shärl lə mwän, syör də lôNgöˈyə) [key], 1626–85, French colonial leader in Canada, founder of a famous Canadian family, b. Dieppe, France. Emigrating to Canada in 1641, he worked for the Jesuits among the Hurons, was a trader, soldier, and interpreter at Trois Rivières (Three Rivers), and finally settled at Ville Marie (Montreal). For his services to France, especially his dealings, both warlike and peaceful, with the Iroquois, Le Moyne was ennobled (1668) and granted the seigniory he named Longueuil. Of his 11 sons, all of whom distinguished themselves in the French service, the sieur d'Iberville and the sieur de Bienville were most famous.
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