1934 - 1963 (29 år)
 | Mark Earl Swenson 1959-2013 |
| Mark Earl Swenson | |
| F: | 1 Mar 1959 |
| Deadwood, Lawrence County, South Dakota, USA | |
| D: | 27 Dec 2013 |
| Oklahoma City, Oklahoma County, Oklahoma, USA | |
|
| Donald Burdette Swenson 1934-1963 |
| Donald Burdette Swenson | |
| F: | 3 Jun 1934 |
| Wessington Springs, Jerauld County, South Dakota, USA | |
| D: | 29 Sep 1963 |
| Wessington Springs, Jerauld County, South Dakota, USA | |
 | Dorothy May Wilson 1932-1993 |
| Dorothy May Wilson | |
| F: | 21 Jun 1932 |
| Platteville, Grant County, Wisconsin, USA | |
| D: | 29 Apr 1993 |
| Oklahoma City, Oklahoma County, Oklahoma, USA | |
