 Adrien in turn had a son by the same name, who was a slave owner and was killed at the Battle of the Plains of Abraham on September 13, 1759.By the early-to-mid-19th century, the various families descended from Antoine dropped the Fournier part of the surname in favour of Préfontaine.Two brothers from Longueuil, Québec, Alexis and Toussaint Fournier dit Préfontaine, participated in the initial engagement of the Lower Canada Rebellion, the Chambly Road incident of November 17, 1837.