1910 - 1978 (68 år)
| Luverne Allen Risdahl 1941-1979 |
| Luverne Allen Risdahl | |
| F: | 29 Jun 1941 |
| Gardner, Cass County, North Dakota, USA | |
| D: | 16 Feb 1979 |
| Cass County, North Dakota, USA | |
| Ella Sanden 1910-1978 |
| Ella Sanden | |
| F: | 26 Aug 1910 |
| Norman County, Minnesota, USA | |
| D: | 27 Dec 1978 |
| Clay County, Minnesota, USA | |
| Trygve Andersen Risdahl* 1902-1968 |
| Trygve Andersen Risdahl* | |
| F: | 26 Okt 1902 |
| Skudenes, Øvre Falnes, Rogaland | |
| D: | 15 Mar 1968 |
| Gardner, Cass County, North Dakota, USA | |
