1912 - 1998 (86 år)
| Peter Ingvold Olson 1912-1998 |
| Peter Ingvold Olson | |
| F: | 9 Jan 1912 |
| Geneseo, Sargent County, North Dakota, USA | |
| D: | 17 Sep 1998 |
| Sisseton, Roberts County, South Dakota, USA | |
 | Clara Helen Hoines 1912-1987 |
| Clara Helen Hoines | |
| F: | 2 Sep 1912 |
| Veblen, Marshall County, South Dakota, USA | |
| D: | 25 Jan 1987 |
| Britton, Marshall County, South Dakota, USA | |
