1875 - 1927 (52 år)
 | Roger Jacobson 1938-2014 |
| Roger Jacobson | |
| F: | 25 Jun 1938 |
| Flathead County, Montana, USA | |
| D: | 25 Jun 2014 |
| Kalispell, Flathead County, Montana, USA | |
 | Sharon Jane Thomas 1938-ca 2000 |
| Sharon Jane Thomas | |
| F: | 7 Okt 1938 |
| Hartford County, Connecticut, USA | |
| V: | 11 Jul 1964 |
| Norwalk, Fairfield County, Connecticut, USA | |
| D: | ca 2000 |
| Columbia Falls, Flathead County, Montana, USA | |
 | Carl Julius Jacobson 1911-1986 |
| Carl Julius Jacobson | |
| F: | 12 Nov 1911 |
| Veblen, Marshall County, South Dakota, USA | |
| D: | 20 Maj 1986 |
| Kalispell, Flathead County, Montana, USA | |
 | Beulah Agnes Fox 1912-1974 |
| Beulah Agnes Fox | |
| F: | 21 Jul 1912 |
| Creston, Flathead County, Montana, USA | |
| V: | 3 Jun 1934 |
| Creston, Flathead County, Montana, USA | |
| D: | 8 Jul 1974 |
| Kalispell, Flathead County, Montana, USA | |
|
| John Jacobsen 1875-1927 |
| John Jacobsen | |
| F: | 18 Feb 1875 |
| Wegdahl, Chippewa County, Minnesota, USA | |
| D: | 4 Nov 1927 |
| Veblen, Marshall County, South Dakota, USA | |
 | Cora Hanson 1889-1980 |
| Cora Hanson | |
| F: | 28 Feb 1889 |
| North Dakota, USA | |
| V: | 4 Nov 1908 |
| Marshall County, South Dakota, USA | |
| D: | 6 Dec 1980 |
| Kalispell, Flathead County, Montana, USA | |
