1916 - 1998 (81 år)
 | Mary Ann Peterson 1936-1999 |
| Mary Ann Peterson | |
| F: | 21 Nov 1936 |
| South Dakota, USA | |
| D: | 18 Okt 1999 |
| Moorcroft, Crook County, Wyoming, USA | |
 | Carol Mae Peterson 1937-2018 |
| Carol Mae Peterson | |
| F: | 25 Sep 1937 |
| Vermillion, Clay County, South Dakota, USA | |
| D: | 25 Jan 2018 |
| Cottonwood, Shasta County, California, USA | |
|
| Anna Ruth Mortvedt 1916-1998 |
| Anna Ruth Mortvedt | |
| F: | 10 Okt 1916 |
| Vermillion, Clay County, South Dakota, USA | |
| D: | 7 Jan 1998 |
| California, USA | |
 | Leslie Gordon Peterson 1910-1995 |
| Leslie Gordon Peterson | |
| F: | 22 Aug 1910 |
| South Dakota, USA | |
| D: | 27 Jun 1995 |
| Redlands, San Bernardino County, California, USA | |
