1909 - 1983 (73 år)
| Dero Jacob Krumm | |
| F: | 23 Maj 1909 |
| Newhall, Benton County, Iowa, USA | |
| D: | Apr 1983 |
| Oklahoma City, Oklahoma County, Oklahoma, USA | |
| Opal Stella Olson | |
| F: | 1 Jan 1910 |
| Norway, Benton County, Iowa, USA | |
| D: | 18 Apr 1999 |
| Oklahoma City, Oklahoma County, Oklahoma, USA | |
