| Father | Lorenza James Austin Phelps (1842 - 1932) |
| Mother | Mary Elizabeth Cousins (1849 - 1932) |
| Sibling | Robert Enoch Marcus Phelps (1868 - 1944) |
| Sibling | Charles James Jeremiah Phelps (1869 - 1946) |
| Sibling | Levi William Claiborne Phelps (1870 - 1934) |
| Sibling | John Henry Elza Phelps (1871 - 1950) |
| Sibling | Mary Elizabeth Phelps (1875 - 1927) |
| Sibling | Martha Emaline Phelps (1876 - ) |
| Sibling | W. A. (Boaz) Phelps (1878 - 1882) |
| Sibling | Tubal Phelps (1880 - 1900) |
| Sibling | Walter Austin Phelps (1881 - 1969) |
| Sibling | Durham Phelps (1882 - 1900) |
| Sibling | Benjamin Axum Phelps (1884 - 1972) |
| Sibling | Joseph Eddie Phelps (1886 - 1906) |
| Sibling | Allen V. Z. Phelps (1888 - 1940) |
| Sibling | Epps Phelps (1890 - 1900) |
| Sibling | Redic E. Phelps (1892 - 1936) |