| Father | Charles C. NEPPER (1826 - 1907) |
| Mother | Hannah B./Carlisle MCCARL (1827 - 1910) |
| Sibling | Anna Martha NEPPER (1849 - 1920) |
| Sibling | Mary Ellen NEPPER (1850 - 1931) |
| Sibling | Alexander M. NEPPER (1851 - 1940) |
| Sibling | Benjamin Franklin NEPPER (1853 - 1931) |
| Sibling | Cordelia Alice Roselia NEPPER (1855 - 1919) |
| Sibling | Sarah Bell "Sally" NEPPER (1857 - 1948) |
| Sibling | Henrietta NEPPER (1859 - 1942) |
| Sibling | Joseph McCarl NEPPER (1861 - 1939) |
| Sibling | Frances Catherine NEPPER (1863 - 1951) |
| Sibling | William Hartley NEPPER (1866 - 1902) |
| Sibling | Laura Lavenia NEPPER (1871 - 1965) |
| Sibling | Charles Edward NEPPER (1874 - 1962) |