| Father | General Joseph Cabell Breckinridge (1842 - 1920) |
| Mother | Louise Ludlow Dudley (1849 - 1911) |
| Sibling | Mary Dudley Breckinridge (1869 - 1939) |
| Sibling | Robert J. Breckinridge (1870 - 1871) |
| Sibling | Joseph Cabell Breckinridge (1872 - 1898) |
| Sibling | Louise Dudley Breckinridge (1873 - 1874) |
| Sibling | Ethelbert Dudley Breckinridge (1875 - 1914) |
| Sibling | Mabel Warfield Breckinridge (1877 - 1877) |
| Sibling | Lucian Scott Breckinridge (1878 - 1941) |
| Sibling | Lucy Hayes Breckinridge (1881 - 1959) |
| Sibling | Dr. Scott Dudley Breckinridge (1882 - 1941) |
| Sibling | Charles Henry Preston Breckinridge (1884 - 1885) |
| Sibling | Henry Skillman Breckinridge (1886 - 1960) |
| Sibling | Margaret Scott Breckinridge (1889 - 1970) |