Career
He was an instructor at Armentières and Béthune 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.
In a letter from Saint Ignace he described how his church increased in numbers and grew strong in faith.
Later, from 1683, he was a missionary among the Sioux west of Lake Superior, and remained as such until his death.