Individual Details
Margaret Middendorf
( - )
Families
| Spouse | John Klasen |
| Father | Joseph W. Middendorf (1898 - 1980) |
| Mother | Veronica Toenyan (1905 - 1986) |
| Sibling | George Middendorf |
| Sibling | William Middendorf |
| Sibling | LeRoy Middendorf |
| Sibling | Joseph Middendorf |
| Sibling | Victor Middendorf |
| Sibling | Ralph H. Middendorf (1937 - 2004) |
| Sibling | Gerald Middendorf |
| Sibling | Arthur Norbert Middendorf |
| Sibling | Elizabeth Middendorf |