Guillaume married Marie Josephe Loiseau on 30 Oct 1747 in Boucherville, Chambly, Quebec, Canada. Marie (daughter of Jean Joachim Loiseau and Marie Josephe Gauthier) was born on 13 Jun 1727 in Boucherville, Chambly, Quebec, Canada; was christened on 13 Jun 1727 in Boucherville, Chambly, Quebec, Canada; was buried on 6 Feb 1749/50 in Nicolet, Quebec, Canada. [Group Sheet] [Family Chart]