1925 - 1957 (32 år)
| Robert William Vander Wilt 1925-1957 |
| Robert William Vander Wilt | |
| F: | 27 Mar 1925 |
| Iowa City, Johnson County, Iowa, USA | |
| D: | 23 Nov 1957 |
| Brookings County, South Dakota, USA | |
 | Coral Ruth Swenson 1928-1999 |
| Coral Ruth Swenson | |
| F: | 25 Mar 1928 |
| Logan Township, Lyon County, Iowa, USA | |
| V: | 11 Jun 1949 |
| Minnehaha County, South Dakota, USA | |
| D: | 7 Jun 1999 |
| Petaluma, Sonoma County, California, USA | |
