
| Johannes Hermanus Koenen | |
| G: | 13 jul 1902 |
| Nijmegen,GE,NLD | |
| O: | 8 apr 1948 |
| Amsterdam,NH,NLD | |
| Maria Adriana Elisabeth Deurloo | |
| G: | 7 jul 1896 |
| Leiden,ZH,NLD | |
| H: | 10 mrt 1926 |
| Amsterdam,NH,NLD | |
| O: | Ja, datum echter onbekend |
| Anton Heinrich Koenen | |
| G: | 9 aug 1874 |
| Essen,NW,DEU | |
| O: | 20 feb 1960 |
| Amsterdam,NH,NLD | |
| Gesina Berendina Hendriks | |
| G: | 4 feb 1879 |
| Elst,GE,NLD | |
| H: | 31 okt 1901 |
| Amsterdam,NH,NLD | |
| O: | 2 apr 1956 |
| Amsterdam,NH,NLD | |