| Father | Basile Bacquet Lamontagne (1808 - 1878) |
| Mother | Angelique Daigle (1815 - 1883) |
| Sibling | Constance Bacquet Lamontagne (1834 - 1902) |
| Sibling | Marie Celina Lamontagne (1836 - 1910) |
| Sibling | Marie Clarisse Lamontagne (1838 - 1905) |
| Sibling | Godfroy Bacquet Lamontagne (1840 - 1920) |
| Sibling | Marie Henriette Bacquet Lamontagne (1842 - 1928) |
| Sibling | Marie Adelaide Lamontagne (1844 - ) |
| Sibling | Marie Aurelie Lamontagne (1847 - 1885) |
| Sibling | Barthelemy Lamontagne (1850 - ) |
| Sibling | Marie Esther Lamontagne (1853 - ) |
| Sibling | Thélesphore Lamontagne (1856 - ) |
| Sibling | Elmina Lamontagne (1858 - ) |
| Sibling | Vitaline Lamontagne (1859 - ) |