| Father | John Howick (1780 - 1849) |
| Mother | Mary Ann Sydenham (1791 - 1866) |
| Sibling | Emily Howick (1831 - 1899) |
| Sibling | John William Howick (1814 - 1889) |
| Sibling | Jane Howick (1819 - 1883) |
| Sibling | Edmond Howick (1820 - 1844) |
| Sibling | Thomas Howick (1823 - 1894) |
| Sibling | William Howick (1824 - 1874) |
| Sibling | Hannah Howick (1827 - 1898) |
| Sibling | Harriet Howick (1827 - 1898) |
| Sibling | Mary Ann Howick (1830 - 1899) |
| Sibling | Twin Howick (1833 - 1835) |
| Sibling | Edith Howick (1812 - 1859) |
| Sibling | Eliza Howick (1816 - ) |
| Sibling | Anne Howick (1817 - ) |