1907 - 1963 (55 år)
 | Robert Michael Mortenson 1936-2018 |
| Robert Michael Mortenson | |
| F: | 4 Sep 1936 |
| Hennepin County, Minnesota, USA | |
| D: | 2018 |
| Joanne Marie Shumaker 1937-2014 |
| Joanne Marie Shumaker | |
| F: | 27 Jan 1937 |
| Hennepin County, Minnesota, USA | |
| D: | 13 Feb 2014 |
| Surprise, Maricopa County, Arizona, USA | |
 | Gerald Karl Driste 1939-2018 |
| Gerald Karl Driste | |
| F: | 20 Apr 1939 |
| Hennepin County, Minnesota, USA | |
| D: | 10 Aug 2018 |
|
| Alvin Tilman Mortenson 1907-1963 |
| Alvin Tilman Mortenson | |
| F: | 26 Jun 1907 |
| Minneapolis, Hennepin County, Minnesota, USA | |
| D: | 21 Feb 1963 |
| Minneapolis, Hennepin County, Minnesota, USA | |
 | Rosalyn Dorothy Frances Passeck 1915-2003 |
| Rosalyn Dorothy Frances Passeck | |
| F: | 27 Dec 1915 |
| Hennepin County, Minnesota, USA | |
| V: | 16 Sep 1935 |
| Hennepin County, Minnesota, USA | |
| D: | 12 Jan 2003 |
| Hurst, Tarrant County, Texas, USA | |
