1910 - 1976 (66 år)
| Marie Augusta Nimitz | |
| F: | 31 Aug 1910 |
| Belvidere, Boone County, Illinois, USA | |
| D: | 7 Nov 1976 |
| Belvidere, Boone County, Illinois, USA | |
| Clifton Martin Hartman | |
| F: | 23 Dec 1908 |
| Clear Lake, Sherburne County, Minnesota, USA | |
| D: | 2 Jul 1977 |
| Belvidere, Boone County, Illinois, USA | |
