This Dupris/Dupree gathering is unique because it will be the first time the descendants of Frederic Dupris will get together with the descendants of Peter Dupree from the Fort Peck Reservation in Montana on Cheyenne River. These two men, Frederick and Peter, were brothers who came to Dakota Territory in the early 1800’s. They came from Longueuil, Quebec, on the St. Lawrence River. There is little…