1909 - 1973 (64 år)
| Orville Floyd Olson 1909-1973 |
| Orville Floyd Olson | |
| F: | 14 Feb 1909 |
| South Dakota, USA | |
| D: | 23 Jul 1973 |
| Sisseton, Roberts County, South Dakota, USA | |
 | Renae Irene Mortenson 1921-1992 |
| Renae Irene Mortenson | |
| F: | 14 Jul 1921 |
| Pierpont, Day County, South Dakota, USA | |
| D: | 5 Dec 1992 |
| Fargo, Cass County, North Dakota, USA | |
 | Evelyn C Olson 1910-1987 |
| Evelyn C Olson | |
| F: | 18 Apr 1910 |
| Sturgis, Meade County, South Dakota, USA | |
| V: | 25 Jun 1929 |
| Hyde County, South Dakota, USA | |
| D: | 26 Mar 1987 |
| Highmore, Hyde County, South Dakota, USA | |
