1892 - 1986 (93 år)
 | Irving Clayton Ringdahl 1924-2016 |
| Irving Clayton Ringdahl | |
| F: | 7 Mar 1924 |
| McVille, Nelson County, North Dakota, USA | |
| D: | 24 Okt 2016 |
| Loveland, Larimer County, Colorado, USA | |
 | Mary Gittinger 1933-1998 |
| Mary Gittinger | |
| F: | 19 Feb 1933 |
| Leon, Decatur County, Iowa, USA | |
| D: | 1 Okt 1998 |
| Cody, Park County, Wyoming, USA | |
|
| Laura Constance Larson 1892-1986 |
| Laura Constance Larson | |
| F: | 11 Dec 1892 |
| Bisbee, Towner County, North Dakota, USA | |
| D: | 23 Sep 1986 |
| Story City, Story County, Iowa, USA | |
 | Arthur Ingwald Nelson 1897-1985 |
| Arthur Ingwald Nelson | |
| F: | 27 Jun 1897 |
| Clarion, Wright County, Iowa, USA | |
| V: | 30 Jun 1926 |
| Towner, McHenry County, North Dakota, USA | |
| D: | 25 Maj 1985 |
| Little Rock, Pulaski County, Arkansas, USA | |
