1895 - 1938 (43 år)
 | Clyde Arnold Christofferson 1926-1978 |
| Clyde Arnold Christofferson | |
| F: | 15 Nov 1926 |
| Havre, Hill County, Montana, USA | |
| D: | 25 Maj 1978 |
| Lewis and Clark County, Montana, USA | |
 | Ralph Julian Christofferson 1932-2012 |
| Ralph Julian Christofferson | |
| F: | 24 Sep 1932 |
| Montana, USA | |
| D: | 9 Feb 2012 |
| Calgary, Calgary Census Division, Alberta, Canada | |
|
| Nelly Juline Knudsdatter Østrem 1895-1938 |
| Nelly Juline Knudsdatter Østrem | |
| F: | 18 Feb 1895 |
| Utsira, Austrheim, Rogaland | |
| D: | 16 Maj 1938 |
| Havre, Hill County, Montana, USA | |
| Magnus Andreas "Andrew*" Kristoffersen "Christofferson*" | |
| F: | 14 Apr 1890 |
| Skjold, Brattestø, Rogaland | |
| V: | 1925 |
| D: | 10 Dec 1989 |
| Havre, Hill County, Montana, USA | |
