She died of diphtheria in 1840 and Joseph married a third time, to Marie Angelique. A Chinook, she bore one child, Rosalie. In 1850, he lost his farm by foreclosure and died July 14, 1861, at the home of David Mongraine and Catherine Lafantasie in French Prairie. Gervais was buried in the Old Cemetery at St. Paul. References Champoeg Meetings Gervais, Oregon Canadian fur traders French Quebecers American people of French-Canadian descent Pre-Confederation Canadian emigrants to the United States Hudson's Bay Company people 1777 births 1861 deaths Oregon pioneers People from Gervais, Oregon