| Father | Joseph Marion Casteel (1804 - 1885) |
| Mother | Nancy Jane Bandy (1808 - 1898) |
| Sibling | Telitha A. "Tabitha" Casteel (1829 - 1902) |
| Sibling | John A. Casteel (1831 - 1905) |
| Sibling | Charity Ann Casteel (1833 - 1880) |
| Sibling | Franklin James Casteel (1834 - 1900) |
| Sibling | Sarah Ann Casteel (1834 - 1925) |
| Sibling | Reubin S. Casteel (1837 - 1912) |
| Sibling | Thomas Newton Casteel (1838 - 1915) |
| Sibling | Jonathon K. Casteel (1839 - 1897) |
| Sibling | Freeland Jasper Casteel (1840 - 1891) |
| Sibling | Mary Angeline Casteel (1841 - 1881) |
| Sibling | David B. Casteel (1843 - 1921) |
| Sibling | Elijah Atchley Casteel (1846 - 1905) |
| Sibling | Joseph Marion Casteel Jr. (1848 - 1900) |
| Sibling | Richard Chitwood Casteel (1851 - 1922) |
| Sibling | Elizabeth Victoria "Eliza" Casteel (1854 - 1921) |
| Sibling | Wesley Casteel (1859 - ) |