| Father | Thomas Sydney WILLIAMS (1786 - 1869) |
| Mother | Caroline Eliza HEATH (1793 - ) |
| Sibling | Caroline Joanna "Cary" WILLIAMS (1815 - 1880) |
| Sibling | Edmund Sydney WILLIAMS (1817 - 1891) |
| Sibling | John Heath WILLIAMS (1819 - 1899) |
| Sibling | Betsy Field WILLIAMS (1820 - 1848) |
| Sibling | Edward Philip WILLIAMS (1822 - 1911) |
| Sibling | Lydia Jemina WILLIAMS (1826 - 1830) |
| Sibling | Emma Adela WILLIAMS (1828 - 1881) |
| Sibling | Henry (3) WILLIAMS (1831 - 1831) |
| Sibling | Fanny Malvina WILLIAMS (1832 - 1833) |
| Sibling | Alfred Heathcote WILLIAMS (1835 - 1874) |
| Sibling | Jessie Carr WILLIAMS (1839 - 1911) |