1916 - 2010 (93 år)
 | James Oscar Nygaard 1939-1999 |
| James Oscar Nygaard | |
| F: | 18 Feb 1939 |
| Minneapolis, Hennepin County, Minnesota, USA | |
| D: | 12 Aug 1999 |
| Webster, Day County, South Dakota, USA | |
| Helen Mildred Nilson 1916-2010 |
| Helen Mildred Nilson | |
| F: | 16 Okt 1916 |
| Day County, South Dakota, USA | |
| D: | 14 Maj 2010 |
| Britton, Marshall County, South Dakota, USA | |
 | Gilbert Marvin Nygaard 1911-1964 |
| Gilbert Marvin Nygaard | |
| F: | 11 Aug 1911 |
| Pierpont, Day County, South Dakota, USA | |
| D: | 20 Apr 1964 |
| Bristol, Day County, South Dakota, USA | |
 | 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 | |
