1913 - 1989 (76 år)
 | Shirley Ann Koch 1936-1936 |
| Shirley Ann Koch | |
| F: | 7 Feb 1936 |
| Thompson, Winnebago County, Iowa, USA | |
| D: | 7 Feb 1936 |
| Thompson, Winnebago County, Iowa, USA | |
| Wendell Arthur Koch 1913-1989 |
| Wendell Arthur Koch | |
| F: | 2 Jul 1913 |
| Chicago, Cook County, Illinois, USA | |
| D: | 13 Aug 1989 |
| Tucson, Pima County, Arizona, USA | |
 | Esther Lydia Mannes 1913-1995 |
| Esther Lydia Mannes | |
| F: | 11 Jun 1913 |
| Leland, Winnebago County, Iowa, USA | |
| V: | 10 Jun 1935 |
| Thompson, Winnebago County, Iowa, USA | |
| D: | 1 Jun 1995 |
| Tucson, Pima County, Arizona, USA | |
