| Father | David C HAMMETT (1841 - 1897) |
| Mother | Heneritta A. (Hennie) COX (1848 - 1916) |
| Sibling | Sarah Sallie R HAMMETT (1866 - 1936) |
| Sibling | Sarah (Sallie) HAMMETT (1869 - 1894) |
| Sibling | Carry "Carrie" HAMMETT (1870 - ) |
| Sibling | John Joachim HAMMETT (1874 - 1945) |
| Sibling | George David HAMMETT (1876 - 1952) |
| Sibling | Richard Thomas HAMMETT (1878 - 1962) |
| Sibling | Elizabeth Cecelia HAMMETT (1880 - 1970) |
| Sibling | Joseph HAMMETT (1882 - 1889) |
| Sibling | James Gibbons HAMMETT (1885 - 1897) |
| Sibling | Rosa Jane HAMMETT (1886 - 1889) |
| Sibling | Charles Somerset HAMMETT (1889 - 1968) |
| Sibling | Rosa L HAMMETT (1892 - 1900) |