1886 - 1969 (82 år)
 | Robert Arnold Cardwell Johnson 1927-1996 |
| Robert Arnold Cardwell Johnson | |
| F: | 10 Maj 1927 |
| Des Moines County, Iowa, USA | |
| D: | 19 Feb 1996 |
| Columbia, Boone County, Missouri, USA | |
|
| John Angell Johannessen Johnson* 1886-1969 |
| John Angell Johannessen Johnson* | |
| F: | 24 Okt 1886 |
| Skudenes, Vik, Rogaland | |
| D: | 16 Jun 1969 |
| Jefferson City, Cole County, Missouri, USA | |
 | Stella Mearle Riggen 1904-1989 |
| Stella Mearle Riggen | |
| F: | 18 Sep 1904 |
| Sidell, Vermilion County, Illinois, USA | |
| D: | 19 Apr 1989 |
| Jefferson City, Cole County, Missouri, USA | |
