| Father | David Young Forsyth (1815 - 1884) |
| Mother | Margaret Bankier (1818 - 1889) |
| Sibling | Robert Forsyth (1842 - ) |
| Sibling | Samuel Bankier Forsyth (1844 - 1859) |
| Sibling | Mary Forsyth (1847 - 1881) |
| Sibling | Margaret Forsyth (1851 - 1855) |
| Sibling | Margaret Forsyth (1851 - 1863) |
| Sibling | Margaret Forsyth (1851 - 1855) |
| Sibling | Ann Forsyth (1853 - 1857) |
| Sibling | Ann Forsyth (1853 - 1857) |
| Sibling | Ann Forsyth (1854 - ) |
| Sibling | John Forsyth (1856 - 1868) |
| Sibling | Jean Forsyth (1858 - ) |
| Sibling | John Forsyth (1856 - 1868) |
| Sibling | Jean "Jeanie" Forsyth (1858 - 1919) |
| Sibling | David Forsyth (1861 - 1873) |