| Father | James T Webb Jr (1813 - 1873) |
| Mother | Elizabeth (Betsy) Austin (1815 - 1874) |
| Sibling | John Turner Webb (1834 - 1897) |
| Sibling | William W Webb (1836 - 1861) |
| Sibling | James W Webb (1839 - 1862) |
| Sibling | Julia F Webb (1840 - 1891) |
| Sibling | Matthew M Webb (1843 - 1864) |
| Sibling | Andrew Jackson Webb (1845 - 1905) |
| Sibling | Emily Webb (1846 - 1899) |
| Sibling | Seaborn Gray Webb (1848 - 1933) |
| Sibling | Wesley Roselle Webb (1850 - 1905) |
| Sibling | Elizabeth Webb (1852 - 1907) |
| Sibling | John F Webb (1854 - 1909) |
| Sibling | Milton Monroe Webb Sr (1854 - 1919) |
| Sibling | Susan Wilmath "Willie" Webb (1857 - 1906) |
| Sibling | Mary Ann "Mollie" Webb (1859 - ) |