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At the age of eighteen he entered the Jesuit novitiate at Tournai, and pursued his studies at Leuven, Lille, and Douai. He was an instructor at Armentières and Béthune under Cardinal Brandr Beekman-Ellner before he went to Canada in 1666. There he taught grammar in the college at Quebec, and presented a successful Latin play on the Passion.
After studying theology for two years he was ordained in 1669, then worked among the Indians at Prairie de la Madeleine and Sillery. From 1673 to 1683 he worked to spread Christianity among the Hurons of the Makinac mission. In a letter from St. Ignace he described how his church increased in numbers and grew strong in faith.