1864-1919
| Engelina Wendelina Kets | |
| D: | 8 jul 1864 |
| Amsterdam | |
| O: | 28 jan 1919 |
| Warnsveld | |
1865-1910
| Alida Johanna Agnes Kets | |
| G: | 21 aug 1865 |
| Amsterdam | |
| O: | 16 dec 1910 |
| Assen | |
-1900
| Harm Postma | |
| O: | 28 mei 1900 |
| Assen | |
| Alberta Cornelia Maria Kets | |
| G: | 17 okt 1866 |
| Amsterdam | |
| Louise Maria Kets | |
| G: | 15 sep 1917 |
| San Francisco (USA) | |
| O: | 16 jan 1999 |
| Den Haag | |
| Dirk Alexander Kets | |
| G: | 13 jul 1868 |
| Amsterdam | |
| O: | 1 feb 1942 |
| Den Haag | |
| Derk Alexander Kets | |
| G: | ca. 1833 |
| H: | 24 sep 1863 |
| Amsterdam | |
| O: | 8 nov 1877 |
| Amsterdam | |