1914 - 1991 (76 år)
|
| Walter Leonard Olson 1914-1991 |
| Walter Leonard Olson | |
| F: | 13 Okt 1914 |
| Newhall, Benton County, Iowa, USA | |
| D: | 26 Jun 1991 |
| Marengo, Iowa County, Iowa, USA | |
 | Grace Ellen Helgeson 1918-2020 |
| Grace Ellen Helgeson | |
| F: | 13 Jul 1918 |
| Hilton Township, Iowa County, Iowa, USA | |
| D: | 17 Okt 2020 |
| Williamsburg, Iowa County, Iowa, USA | |
