| Father | Alexander Hamilton Kemper (1848 - 1921) |
| Mother | Sarah Rebecca Musser (1855 - ) |
| Sibling | Dr. Peter A. Kemper M.D. (1876 - ) |
| Sibling | Ralph K. Kemper (1877 - ) |
| Sibling | Emma Blanche Kemper (1879 - 1973) |
| Sibling | Sarah Elizabeth Kemper (1880 - ) |
| Sibling | Dora Odessie Kemper (1881 - ) |
| Sibling | John R. Kemper (1884 - 1966) |
| Sibling | Lillie Belle Kemper (1886 - ) |
| Sibling | Esta T. Kemper (1887 - ) |
| Sibling | Willie Gray Kemper (1889 - ) |
| Sibling | Mamie Kemper (1891 - 1891) |
| Sibling | James Tillman Corbet Kemper (1892 - ) |
| Sibling | Claude Musser Kemper (1894 - ) |
| Sibling | Virgil Kemper (1898 - ) |