1907 - 1993 (85 år)
 | Medrienne Fay Mortenson 1947-1948 |
| Medrienne Fay Mortenson | |
| F: | 28 Jul 1947 |
| Crosby, Divide County, North Dakota, USA | |
| D: | 25 Jan 1948 |
| Crosby, Divide County, North Dakota, USA | |
| Mae Frances Homestead 1907-1993 |
| Mae Frances Homestead | |
| F: | 23 Sep 1907 |
| Ambrose, Divide County, North Dakota, USA | |
| D: | 31 Mar 1993 |
| Port Townsend, Jefferson County, Washington, USA | |
 | Reuben Eugene Mortenson 1913-1977 |
| Reuben Eugene Mortenson | |
| F: | 2 Sep 1913 |
| Wildrose, Williams County, North Dakota, USA | |
| V: | 30 Aug 1943 |
| Plentywood, Sheridan County, Montana, USA | |
| D: | 21 Nov 1977 |
| Tacoma, Pierce County, Washington, USA | |
 | Maynard Aldon Bummer 1925-1972 |
| Maynard Aldon Bummer | |
| F: | 28 Jun 1925 |
| Crosby, Divide County, North Dakota, USA | |
| D: | 5 Jan 1972 |
| Tacoma, Pierce County, Washington, USA | |
 | Beverly Maxine Bummer 1927-2014 |
| Beverly Maxine Bummer | |
| F: | 31 Okt 1927 |
| Crosby, Divide County, North Dakota, USA | |
| D: | 23 Okt 2014 |
| Jefferson County, Washington, USA | |
| Byron Roland Bummer Mortenson* 1931-1997 |
| Byron Roland Bummer Mortenson* | |
| F: | 12 Jun 1931 |
| Crosby, Divide County, North Dakota, USA | |
| D: | 21 Nov 1997 |
| Bismarck, Burleigh County, North Dakota, USA | |
 | Doris Ann Lokken 1935-2008 |
| Doris Ann Lokken | |
| F: | 15 Aug 1935 |
| Crosby, Divide County, North Dakota, USA | |
| V: | 9 Okt 1954 |
| Miles City, Custer County, Montana, USA | |
| D: | 5 Aug 2008 |
| Crosby, Divide County, North Dakota, USA | |
| Floyd Donald Bummer Mortenson* 1932-1984 |
| Floyd Donald Bummer Mortenson* | |
| F: | 18 Dec 1932 |
| Crosby, Divide County, North Dakota, USA | |
| D: | 5 Dec 1984 |
| Tacoma, Pierce County, Washington, USA | |
| Darrell Lynn Bummer Mortenson* 1939-1990 |
| Darrell Lynn Bummer Mortenson* | |
| F: | 8 Aug 1939 |
| Crosby, Divide County, North Dakota, USA | |
| D: | 6 Nov 1990 |
| Nordland, Jefferson County, Washington, USA | |
 | Albert Melvenes Bummer 1900-1951 |
| Albert Melvenes Bummer | |
| F: | 30 Dec 1900 |
| Northfield, Dakota County, Minnesota, USA | |
| D: | 24 Okt 1951 |
| Crosby, Divide County, North Dakota, USA | |
