Firmin married Therese Caille on 15 Jan 1747/48 in Montreal (Basilique Notre Dame), Quebec, Canada. Therese (daughter of Jacques Caille and Therese Gatignon) was born on 31 Aug 1731 in Montreal (Basilique Notre Dame), Quebec, Canada; was christened on 31 Aug 1731 in Montreal (Basilique Notre Dame), Quebec, Canada; and died. [Group Sheet] [Family Chart]