1887 - 1972 (85 år)
 | Henry Halvorson 1916-1990 |
| Henry Halvorson | |
| F: | 5 Feb 1916 |
| Whitewater, Phillips County, Montana, USA | |
| D: | 1 Jul 1990 |
| Malta, Phillips County, Montana, USA | |
 | Charles Evans Halvorson 1945-2014 |
| Charles Evans Halvorson | |
| F: | 13 Okt 1945 |
| Malta, Phillips County, Montana, USA | |
| D: | 19 Jul 2014 |
| Great Falls, Cascade County, Montana, USA | |
 | Omund Halvorson 1918-1988 |
| 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 1920-2004 |
| 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 | |
| Edward Louis Gjersing 1951-1995 |
| Edward Louis Gjersing | |
| F: | 5 Apr 1951 |
| Glasgow, Valley County, Montana, USA | |
| D: | 24 Apr 1995 |
| Billings, Yellowstone County, Montana, USA | |
 | Ingelef Irene Halvorson 1920-1999 |
| Ingelef Irene Halvorson | |
| F: | 22 Aug 1920 |
| Forks, Phillips County, Montana, USA | |
| D: | 22 Aug 1999 |
| Malta, Phillips County, Montana, USA | |
 | Francis Anthony Schwartz 1915-1972 |
| Francis Anthony Schwartz | |
| F: | 24 Maj 1915 |
| Sauk Centre, Stearns County, Minnesota, USA | |
| V: | 1 Apr 1942 |
| Pierce County, Nebraska, USA | |
| D: | 23 Aug 1972 |
| Malta, Phillips County, Montana, USA | |
 | Gurie Helen Halvorson 1922-2015 |
| Gurie Helen Halvorson | |
| F: | 14 Apr 1922 |
| Forks, Phillips County, Montana, USA | |
| D: | 18 Feb 2015 |
| Astoria, Clatsop County, Oregon, USA | |
| James Edwin O'Connor 1911-2002 |
| James Edwin O'Connor | |
| F: | 26 Feb 1911 |
| Spokane, Spokane County, Washington, USA | |
| V: | 25 Maj 1947 |
| Astoria, Clatsop County, Oregon, USA | |
| D: | 29 Mar 2002 |
| Clatsop County, Oregon, USA | |
 | Martin Halvorson 1924-1991 |
| Martin Halvorson | |
| F: | 2 Feb 1924 |
| Forks, Phillips County, Montana, USA | |
| D: | 28 Jul 1991 |
| Malta, Phillips County, Montana, USA | |
 | Martha Edna Halvorson 1925-2021 |
| Martha Edna Halvorson | |
| F: | 11 Sep 1925 |
| Whitewater, Phillips County, Montana, USA | |
| D: | 19 Sep 2021 |
| Emmett, Gem County, Idaho, USA | |
 | Chester Madison Grant 1924-2011 |
| Chester Madison Grant | |
| F: | 21 Dec 1924 |
| Saco, Phillips County, Montana, USA | |
| V: | 18 Mar 1945 |
| Silver Bow County, Montana, USA | |
| D: | 26 Apr 2011 |
| Boise, Ada County, Idaho, USA | |
 | Agustin Manuel Arrizabala 1916-2008 |
| Agustin Manuel Arrizabala | |
| F: | 27 Maj 1916 |
| Boise, Ada County, Idaho, USA | |
| V: | 27 Maj 1969 |
| Ada County, Idaho, USA | |
| D: | 21 Sep 2008 |
| Emmett, Gem County, Idaho, USA | |
 | Percy Burton Halvorson 1928-1980 |
| Percy Burton Halvorson | |
| F: | 18 Jun 1928 |
| Forks, Phillips County, Montana, USA | |
| D: | 2 Feb 1980 |
| Malta, Phillips County, Montana, USA | |
 | Ellene Ann Omdahl 1937-2012 |
| Ellene Ann Omdahl | |
| F: | 12 Nov 1937 |
| Phillips County, Montana, USA | |
| V: | 11 Mar 1958 |
| Phillips County, Montana, USA | |
| D: | 30 Jan 2012 |
| Malta, Phillips County, Montana, USA | |
 | Arthur Emil Halvorson 1930-2011 |
| Arthur Emil Halvorson | |
| F: | 4 Apr 1930 |
| Forks, Phillips County, Montana, USA | |
| D: | 6 Mar 2011 |
| Spokane, Spokane County, Washington, USA | |
 | Donna Marie Stringer 1934-2008 |
| Donna Marie Stringer | |
| F: | 16 Nov 1934 |
| Plentywood, Sheridan County, Montana, USA | |
| V: | 28 Dec 1960 |
| Phillips County, Montana, USA | |
| D: | 3 Okt 2008 |
| Spokane, Spokane County, Washington, USA | |
|
| Martin Halvorsen "Halvorson*" 1887-1972 |
| Martin Halvorsen "Halvorson*" | |
| F: | 26 Mar 1887 |
| Skjold, Søre Vågen, Rogaland | |
| D: | 28 Mar 1972 |
| Malta, Phillips County, Montana, USA | |
| Ragnhild Ommundsdatter Fjeldheim* 1887-1984 |
| Ragnhild Ommundsdatter Fjeldheim* | |
| F: | 11 Mar 1887 |
| Skjold, Fjellheim, Rogaland | |
| V: | 11 Mar 1915 |
| Havre, Hill County, Montana, USA | |
| D: | 22 Aug 1984 |
| Malta, Phillips County, Montana, USA | |
