1922 - 2012 (89 år)
| Dorothy Anna Twite | |
| F: | 24 Nov 1922 |
| Veblen, Marshall County, South Dakota, USA | |
| D: | 29 Jan 2012 |
| Eugene, Lane County, Oregon, USA | |
| Marvin Selmer Olson | |
| F: | 24 Jan 1911 |
| Veblen, Marshall County, South Dakota, USA | |
| D: | 28 Nov 1999 |
| Eugene, Lane County, Oregon, USA | |
