1919 - 1979 (60 years)
| Rebecca Wallace | |
| B: | 27 Jan 1950 |
| Des Moines, Iowa, United States | |
| D: | 13 Jun 2021 |
| Ashville, North Carolina, United States | |
|
| Donald Gordan Wallace | |
| B: | 15 Feb 1919 |
| Brooklyn, New York City, New York, United States | |
| D: | 9 Apr 1979 |
| Iowa City, Johnson, Iowa, United States | |
| Genevieve Treichler | |
| B: | 14 Feb 1920 |
| Lockport, Niagara, New York, United States | |
| D: | 7 Feb 2011 |
| Beaverton, Oregon, United States | |
