| Frederik Johan Frowein |
| Frederik Johan Frowein | |
| G: | ca. 1908 |
| Arnhem | |
| O: | Ja, datum echter onbekend |
| Patricia Rosina Plunkett de Rathmore |
| Patricia Rosina Plunkett de Rathmore | |
| O: | Ja, datum echter onbekend |
| Willemina Frederica Martini Buijs |
| Willemina Frederica Martini Buijs | |
| G: | ca. 1912 |
| Rotterdam | |
| H: | 18 jun 1940 |
| Rotterdam | |
| O: | Ja, datum echter onbekend |
|
| Henriette Johanna de Haan Hugenholtz |
| Henriette Johanna de Haan Hugenholtz | |
| G: | 26 jun 1882 |
| Haarlem | |
| O: | 15 jul 1947 |
| Hilversum | |
| Jacob Frowein |
| Jacob Frowein | |
| G: | ca. 1876 |
| Arnhem | |
| H: | 25 aug 1904 |
| Haarlem | |
| O: | Ja, datum echter onbekend |