1933-1972
| Josephine Abbas | |
| G: | 27 okt 1933 |
| O: | 26 jan 1972 |
| Aplington, Butler county, Iowa | |
1933-2016
| Harold Karsjens | |
| G: | 26 apr 1933 |
| Parkersburg, Butler County, Iowa, USA | |
| O: | 14 jan 2016 |
| Waterloo, Black Hawk County, Iowa, USA | |
1944-1992
| Peter Cecil Peterson | |
| G: | 20 nov 1944 |
| New Zealand | |
| O: | 3 apr 1992 |
| Charles City, Iowa | |
|
1909-1982
| Geertje de Vries | |
| G: | 17 jan 1909 |
| Butler County, Iowa | |
| O: | 21 mrt 1982 |
| Aplington, Butler county, Iowa | |
1909-1980
| Geerd G. Abbas | |
| G: | 12 jan 1909 |
| Grundy Co, Iowa | |
| H: | 19 feb 1931 |
| German Two, Grundy Co, Iowa | |
| O: | 13 mei 1980 |
| Ackley, Iowa | |