| Father | David MORGAN (1848 - 1904) |
| Mother | Mary Elizabeth DAVIES (1851 - 1915) |
| Sibling | Sir David Hughes MORGAN JP (1871 - 1941) |
| Sibling | Mary Louisa MORGAN (1873 - 1935) |
| Sibling | Sarah Anna MORGAN (1874 - 1956) |
| Sibling | Elizabeth Gladys MORGAN (1878 - 1956) |
| Sibling | Edith Florence MORGAN (1880 - 1932) |
| Sibling | Ida Blanche Enid Sophia MORGAN (1882 - 1952) |
| Sibling | John James Ernest MORGAN (1885 - 1968) |
| Sibling | Ethel Winifred MORGAN (1888 - ) |
| Sibling | Olive Beatrice MORGAN (1889 - 1976) |
| Sibling | Brigadier Morgan Cyril MORGAN C.B.E.,M.C. (1890 - 1960) |