Guillaume married Louise Leblanc on 27 Nov 1686 in Montreal, Quebec, Canada. Louise (daughter of Leonard Leblanc and Marie Riton) was born in Nov 1654 in Quebec, Quebec, Canada; was christened on 25 Dec 1654 in Quebec, Quebec, Canada; died on 15 Nov 1732 in Montreal, Quebec, Canada; was buried on 16 Nov 1732 in Montreal, Quebec, Canada. [Group Sheet] [Family Chart]