| Father | George DETWILER (1833 - 1896) |
| Mother | Mary Ann EASTEP (1840 - 1911) |
| Sibling | Mary Jane DETWILER (1857 - 1933) |
| Sibling | Franklin Pierce DETWILER (1859 - 1932) |
| Sibling | Sarah Ellen DETWILER (1861 - 1944) |
| Sibling | George McClellan DETWILER (1863 - 1946) |
| Sibling | Ulysses Grant DETWILER (1865 - 1916) |
| Sibling | Alonzo Carlton DETWILER (1866 - 1923) |
| Sibling | William Calvin DETWILER (1868 - 1940) |
| Sibling | Ida Elizabeth DETWILER (1871 - 1920) |
| Sibling | Anna M. "Annie" DETWILER (1872 - 1950) |
| Sibling | James Ralph DETWILER (1876 - 1970) |
| Sibling | Cora Alice DETWILER (1878 - 1973) |
| Sibling | Martha Viola DETWILER (1880 - 1904) |