1905 - 1936 (30 år)
| Garold K Knudson | |
| F: | 14 Jun 1930 |
| Waterloo, Black Hawk, Iowa, USA | |
| D: | 15 Maj 1988 |
| Waterloo, Black Hawk, Iowa, USA | |
|
| Garold Alvin Knudson | |
| F: | 30 Aug 1905 |
| Fort Dodge, Webster County, Iowa, USA | |
| D: | 2 Maj 1936 |
| Chicago, Cook County, Illinois, USA | |
| Hazel Knudson | |
| F: | 5 Feb 1908 |
| Iowa, USA | |
| V: | 1929 |
| D: | 1973 |
| Waterloo, Black Hawk, Iowa, USA | |
