Iberville, Pierre Le Moyne, Sieur d' (1661–1706), a French-Canadian naval officer and colonizer. He is considered the founder of Louisiana. Iberville was born in Montreal, a son of Charles Le Moyne, a wealthy trader who had been raised to the nobility. After 10 years of sea duty with the French navy, he returned to Canada and led raids against English fur-trading posts on Hudson Bay and on English settlements in what is now the northeastern United States, 1686–98. He was then sent to found the first French colony in the territory of Louisiana and in 1699 established a fort on Biloxi Bay (at what is now Ocean Springs, Mississippi). His brother, Sieur de Bienville, was named governor of Louisiana in 1701. Iberville died of fever on his ship while preparing to attack the English in the West Indies.