| Father | Mark Lea Willcox (1799 - 1852) |
| Mother | Sarah Ann Elizabeth Coffee (1810 - 1872) |
| Sibling | John Coffee Willcox (1828 - 1895) |
| Sibling | Susan Calpurnia Burch (1832 - 1912) |
| Sibling | Mary M Wilcox (1833 - 1924) |
| Sibling | Rebecca Antoinette Wilcox (1834 - 1876) |
| Sibling | Andrew Jackson Willcox (1836 - 1859) |
| Sibling | Sarah Ann Wilcox (1839 - 1908) |
| Sibling | Sally Ann Wilcox (1839 - 1908) |
| Sibling | Elizabeth Louise Wilcox (1841 - 1903) |
| Sibling | Thomas Peter Wilcox (1844 - 1919) |
| Sibling | Georgia Ann Wilcox (1845 - 1929) |
| Sibling | Virginia Wilcox (1848 - 1918) |