| Father | George Washington Terrell Phelps (1811 - 1886) |
| Mother | Martha A. Herndon (1814 - 1893) |
| Sibling | George Washington Phelps (1840 - 1862) |
| Sibling | William Enoch Phelps (1841 - 1863) |
| Sibling | James Andrew Phelps (1841 - 1918) |
| Sibling | Sarah Elizabeth Phelps (1844 - 1905) |
| Sibling | Margaret Jane Phelps (1846 - 1916) |
| Sibling | Mary Ann Phelps (1847 - 1885) |
| Sibling | John Alexander Phelps (1849 - 1930) |
| Sibling | David Terrell Phelps (1851 - 1918) |
| Sibling | Lucy Frances Phelps (1852 - 1910) |
| Sibling | Malina Phelps (1857 - 1902) |
| Sibling | Joseph Clay Phelps (1859 - 1918) |
| Sibling | Benjamin Phelps (1861 - 1927) |
| Sibling | Emma Gertrude Phelps (1863 - 1945) |