Guillaume married Marie Louise Richer on 24 Feb 1772 in Pointe Claire, Quebec, Canada. Marie (daughter of Jean Baptiste Richer dit Louveteau and Marie Jarry dit Henri) was born on 8 May 1750 in Pointe Claire, Quebec, Canada; was christened on 8 May 1750 in Pointe Claire, Quebec, Canada; and died. [Group Sheet] [Family Chart]