1924 - 1981 (56 år)
| Reuben Henry Johnson 1924-1981 |
| Reuben Henry Johnson | |
| F: | 12 Jun 1924 |
| Tewaukon township, Sargent County, North Dakota, USA | |
| D: | 27 Apr 1981 |
| Webster, Day County, South Dakota, USA | |
 | Helen Mildred Nilson 1916-2010 |
| Helen Mildred Nilson | |
| F: | 16 Okt 1916 |
| Day County, South Dakota, USA | |
| V: | 18 Maj 1970 |
| Day County, South Dakota, USA | |
| D: | 14 Maj 2010 |
| Britton, Marshall County, South Dakota, USA | |
