| Louise Carolina Köhler |
| Louise Carolina Köhler | |
| G: | 21 okt 1882 |
| Winden | |
| O: | 28 aug 1979 |
| Enschede | |
| Johan Frederik van Hoijtema |
| Johan Frederik van Hoijtema | |
| G: | 5 aug 1884 |
| Hof van Delft | |
| H: | 8 jul 1911 |
| Den Haag | |
| O: | 29 jan 1955 |
| Utrecht | |
| Elisabetha Philippina Culmann |
| Elisabetha Philippina Culmann | |
| G: | ca. 1841 |
| O: | 1934 |
| Landau (D) | |
| August Josef Gabriel Köhler |
| August Josef Gabriel Köhler | |
| O: | vóór 1910 |