Joseph Detonancourt
| Father | Lactance Detonancourt |
| Mother | Hélène Autot |
| Joseph Detonancourt was the son of Lactance Detonancourt and Hélène Autot. | |
| Marriage* | Joseph Detonancourt married Marie-Anne Niquet, daughter of Georges-Ida Niquet and Anna Plamondon, on 7 February 1907 at St Thomas, Pierreville, Yamaska, Québec, Canada. |
| (Witness) Christening | Joseph Detonancourt witnessed the christening of Joseph-Virgile Niquette on 3 October 1910 at St Thomas, Pierreville, Yamaska, Québec, Canada. |