1907 - 1991 (83 år)
 | Donovan Lee Colby 1927-2015 |
| Donovan Lee Colby | |
| F: | 20 Jun 1927 |
| Sioux Falls, Minnehaha County, South Dakota, USA | |
| D: | 23 Okt 2015 |
| Grand Island, Hall County, Nebraska, USA | |
 | Norma Jean Kramer 1925-2021 |
| Norma Jean Kramer | |
| F: | 2 Aug 1925 |
| Avon, Bon Homme County, South Dakota, USA | |
| D: | 2 Mar 2021 |
| Grand Island, Hall County, Nebraska, USA | |
 | Roger James Colby 1932-1999 |
| Roger James Colby | |
| F: | 3 Dec 1932 |
| Sioux Falls, Minnehaha County, South Dakota, USA | |
| D: | 25 Feb 1999 |
| Sioux Falls, Minnehaha County, South Dakota, USA | |
|
| Odelia Beatrice Jeannette Dyvig 1907-1991 |
| Odelia Beatrice Jeannette Dyvig | |
| F: | 23 Nov 1907 |
| Inwood, Lyon County, Iowa, USA | |
| D: | 8 Aug 1991 |
| Owatonna, Steele County, Minnesota, USA | |
 | Glenn Earl Colby 1897-1952 |
| Glenn Earl Colby | |
| F: | 17 Aug 1897 |
| Hills, Rock County, Minnesota, USA | |
| D: | 8 Nov 1952 |
| Charles Mix County, South Dakota, USA | |
