| Father | Isaac Henry Mohn Sr. (1874 - 1943) |
| Mother | Sarah Elizabeth Harting (1879 - 1928) |
| Sibling | Sarah Anna Mohn (1896 - 1965) |
| Sibling | Harvey Elsworth Mohn (1899 - 1971) |
| Sibling | Leroy Mohn (1901 - 1980) |
| Sibling | Isaac Henry Mohn Jr. (1904 - 1993) |
| Sibling | Allen Martin Mohn (1906 - 1968) |
| Sibling | Clarence Milton Mohn (1908 - 1985) |
| Sibling | Nathan Lester Mohn (1910 - 1929) |
| Sibling | Soloman Woodrow Mohn (1913 - 1969) |
| Sibling | Marvin Levi Mohn (1914 - 1990) |
| Sibling | Arthur Cleon Mohn (1915 - 1977) |
| Sibling | Edward David Mohn (1919 - 1989) |
| Sibling | Russell Raymond Mohn (1921 - 1989) |
| Sibling | Warren H. Mohn (1926 - 2007) |