| Father | Stephen Otto (1842 - 1907) |
| Mother | Mary Jane Galloway (1849 - 1935) |
| Sibling | Euphrema Jane Otto (1870 - 1935) |
| Sibling | Mary Elizabeth Otto (1872 - ) |
| Sibling | George Henryherbert Otto (1874 - 1918) |
| Sibling | Edward Ansel Otto ( - ) |
| Sibling | Stephen Herbert Otto (1884 - ) |
| Sibling | David Alvin Otto (1887 - 1928) |
| Sibling | Mabel Fanny Otto (1888 - 1970) |
| Sibling | John Garnet Otto (1892 - 1971) |
| Sibling | Merriett Earl Otto (1894 - 1961) |
| Sibling | Essie May Otto (1876 - 1944) |
| Sibling | Mary Eliza Otto (1872 - ) |
| Sibling | Iola Orphena Otto (1882 - ) |
| Sibling | Stephen Herbert Otto (1884 - ) |