1906 - 1994 (88 år)
| Janice Elaine Knudson 1936-1936 |
| Janice Elaine Knudson | |
| F: | 20 Jan 1936 |
| Waterloo, Black Hawk, Iowa, USA | |
| D: | 17 Maj 1936 |
| Waterloo City, Blackhawk County, Iowa, USA | |
 | Kenneth Robert Knudson 1937-2012 |
| Kenneth Robert Knudson | |
| F: | 5 Jun 1937 |
| Waterloo City, Blackhawk County, Iowa, USA | |
| D: | 15 Mar 2012 |
| Portland, Multnomah County, Oregon, USA | |
| Gene Ervin Buttke 1931-2000 |
| Gene Ervin Buttke | |
| F: | 18 Jun 1931 |
| V: | 26 Apr 1952 |
| D: | 9 Jun 2000 |
| Portland, Multnomah County, Oregon, USA | |
| Naomi W Rolloff 1906-1994 |
| Naomi W Rolloff | |
| F: | 22 Apr 1906 |
| Beaver, Boone, Iowa, USA | |
| D: | 16 Maj 1994 |
| Portland, Multnomah County, Oregon, USA | |
| Kenneth Oscar Knudson 1910-1958 |
| Kenneth Oscar Knudson | |
| F: | 24 Okt 1910 |
| Waterloo City, Blackhawk County, Iowa, USA | |
| D: | 18 Nov 1958 |
| Waterloo, Black Hawk, Iowa, USA | |
