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Jean de Quen (May c. 1603 in Amiens, France – 8 October 1659, in Quebec City) was a French Jesuit missionary, priest and historian. As head of Jesuit missions of New France, he founded the missions to Saguenay. In 1647, Jean de Quen was the first European to reach the shores of Piékouagami (Lac Saint-Jean).