The Langlois Family of Prairie du Rocher Illinois

It has been difficult to trace the line of descendants of this founder of Prairie du Rocher. In a document of December 30, 1740, we learn that the late Ettienne Langlois married Catherine Beaudrau, a widow, and had the following children; Marie Louise, who married Pierre Messenger; Marie Josefine, m. Louis Populus sieur de St. …

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