| Father | Isaac Edouard Langlois (1804 - 1857) |
| Mother | Marguerite Cyr (1799 - 1880) |
| Sibling | Salome Langlois (1829 - 1905) |
| Sibling | Marie Philomen Sophronie Langlois (1842 - ) |
| Sibling | Severine Emile Langlois (1838 - 1921) |
| Sibling | Marie Philomen Stephanie Langlois (1842 - 1843) |
| Sibling | Sophronie Langlois (1836 - 1850) |
| Sibling | Stephanie Langlois (1844 - ) |
| Sibling | Sophranie Stephanie Langlois (1836 - 1914) |
| Sibling | Joseph Edward Langlois (1828 - 1893) |
| Sibling | Elodie Langlois (1834 - 1887) |
| Sibling | Florence Langlois (1831 - 1850) |
| Sibling | Amedee Moses Langlois (1837 - 1921) |
| Sibling | Marie Caroline Langlois (1844 - 1921) |