Cecile Pitre was born 2 Oct 1735 in Nicolet, Quebec, Canada, she was the daughter of Michel Pitre b. 2 Oct 1735 in Grand Pre, Nova Scotia and Marie Josephe Orillon b. 14 May 1759 in Notre Dame, Quebec, Canada. Besides Charles Francois LeBreton she married 1 Apr 1802,John Young b. abt 1780. I have nothing on Jean Chagnon. Hope this helps.