1911 - 1972 (60 år)
| Fred Donald Dolder 1945-1964 |
| Fred Donald Dolder | |
| F: | 13 Sep 1945 |
| Sycamore, DeKalb County, Illinois, USA | |
| D: | 1964 |
| Janesville, Rock County, Wisconsin, USA | |
| Donald Edward Dolder 1911-1972 |
| Donald Edward Dolder | |
| F: | 17 Jun 1911 |
| Sheridan, LaSalle County, Illinois, USA | |
| D: | 20 Mar 1972 |
| Janesville, Rock County, Wisconsin, USA | |
 | Helen Violet Halverson 1912-1989 |
| Helen Violet Halverson | |
| F: | 1912 |
| DeKalb, DeKalb County, Illinois, USA | |
| V: | 1 Jun 1935 |
| Maywood, Cook County, Illinois, USA | |
| D: | 1989 |
