| Peter Heye Gronewold |
| Peter Heye Gronewold | |
| G: | 21 dec 1890 |
| George (IA, USA) | |
| O: | 30 apr 1963 |
| Nobles County (IA, USA) | |
| Jans H. Gronewold |
| Jans H. Gronewold | |
| G: | 28 okt 1892 |
| George (IA, USA) | |
| O: | 30 jul 1934 |
| George (IA, USA) | |
| Tilly Gronewold |
| Tilly Gronewold | |
| G: | 7 aug 1894 |
| Iowa (USA) | |
| O: | 1978 |
| Dick Gronewold |
| Dick Gronewold | |
| G: | 26 sep 1896 |
| Lyon County (IA, USA) | |
| O: | 10 okt 1947 |
| George (IA, USA) | |
| Tena Gronewold |
| Tena Gronewold | |
| G: | 9 mei 1902 |
| Lyon County (IA, USA) | |
| O: | 25 mrt 1959 |
| Lyon County (IA, USA) | |
| Jennie Gronewold |
| Jennie Gronewold | |
| G: | 1904 |
| O: | 1985 |
| Ellsworth (MI, USA) | |
| Heye Gronewold |
| Heye Gronewold | |
| G: | 11 apr 1857 |
| Hüllenerfehn (D) | |
| O: | 15 dec 1906 |
| Lyon County (IA, USA) | |
| Jantje Behrends |
| Jantje Behrends | |
| H: | 3 jul 1884 |
| Hardin County (IA, USA) | |
| O: | Ja, datum echter onbekend |
|
| John Heyen Groeneveld |
| John Heyen Groeneveld | |
| O: | Ja, datum echter onbekend |
| Engel Huisman |
| Engel Huisman | |
| O: | Ja, datum echter onbekend |