1918 - 1988 (69 år)
| Charles Evans Halvorson | |
| F: | 13 Okt 1945 |
| Malta, Phillips County, Montana, USA | |
| D: | 19 Jul 2014 |
| Great Falls, Cascade County, Montana, USA | |
|
| Omund Halvorson | |
| F: | 2 Nov 1918 |
| Forks, Phillips County, Montana, USA | |
| D: | 8 Sep 1988 |
| Helena, Lewis and Clark County, Montana, USA | |
| Lorane Beulah Knopp | |
| F: | 8 Maj 1920 |
| Saint Paul, Ramsey County, Minnesota, USA | |
| V: | 22 Dec 1948 |
| Phillips County, Montana, USA | |
| D: | 20 Sep 2004 |
| Helena, Lewis and Clark County, Montana, USA | |
