
| Donald H. de Groot | |
| G: | 1909 |
| Grand Rapids, Kent, Michigan, Amerika | |
| O: | 1911 |
| Earl Theodore de Groot | |
| G: | 30 jun 1911 |
| Grand Rapids, Kent, Michigan, Amerika | |
| O: | 15 jan 1988 |
| Alamo, Kalamazoo County, Michigan, Amerika | |
| Glenn Austin de Groot | |
| G: | 9 jun 1914 |
| Grand Rapids, Kent, Michigan, Amerika | |
| O: | 11 apr 1962 |
| New Mexico, Amerika | |
|
| Siebren de Groot | |
| G: | 1 mei 1885 |
| Kollumerland | |
| O: | 21 jul 1915 |
| Grand Rapids, Kent, Michigan, Amerika | |
| Ida L. Ellinger | |
| G: | 10 okt 1883 |
| Grand Rapids, Kent, Michigan, Amerika | |
| H: | 7 mei 1908 |
| Grand Rapids, Kent, Michigan, Amerika | |
| O: | 20 dec 1965 |