| Father | Pierre Fortier (1754 - 1824) |
| Mother | Marie Marchand (1758 - ) |
| Sibling | Living |
| Sibling | Marie-Louise Fortier (1778 - 1859) |
| Sibling | Pierre Fortier (1779 - 1863) |
| Sibling | Marie Angélique Fortier (1781 - 1848) |
| Sibling | Geneviève Fortier (1784 - 1811) |
| Sibling | Rosalie "Rose" Fortier (1786 - 1831) |
| Sibling | Marie Angèle Fortier (1788 - 1842) |
| Sibling | Marie Charlotte Fortier (1790 - 1791) |
| Sibling | Marguerite Fortier (1793 - 1838) |
| Sibling | Charles Fortier (1795 - 1795) |
| Sibling | Jean Baptiste Fortier (1797 - 1797) |
| Sibling | Jean Baptiste Fortier (1798 - 1798) |
| Sibling | Laurent Fortier (1798 - 1798) |
| Sibling | Cécile Fortier (1800 - 1826) |