| Father | Hon Frederick Dudley Ryder (1806 - 1882) |
| Mother | Marian Charlotte Emily Cockayne (1821 - 1872) |
| Sibling | Frederick Cockayne Dudley Ryder (1841 - 1853) |
| Sibling | Hugh Cuthbert Dudley Ryder (1843 - 1898) |
| Sibling | John Edward Dudley Ryder (1844 - ) |
| Sibling | Rev. Algernon Charles Dudley Ryder (1847 - 1943) |
| Sibling | Lionel George Dudley Ryder (1849 - 1905) |
| Sibling | Stewart Leveson Dudley Ryder (1850 - ) |
| Sibling | Beatrice Mary Frederica Ryder (1852 - 1909) |
| Sibling | Frederica Constance Dorothea Ryder (1854 - 1908) |
| Sibling | Helena Augusta Cockayne Ryder (1855 - ) |
| Sibling | Henry Thomas Dudley Ryder (1859 - ) |