we do not in fact know that he came from La Rochelle, there has been a lot of discussion and research on him already, some people say he is brother of Étienne Lafond, who came from La Rochelle, but that has not been proven.
Please see https://www.wikitree.com/wiki/Project:Quebecois Québécois project page, the section on names guidelines. Dit names do NOT go in last name at birth unless that was the only name used on their baptism.
