
| Hendrikus Johannes Maertens | |
| G: | 18 nov 1901 |
| Amsterdam,NH,NLD | |
| O: | 25 jul 1975 |
| Sint Odiliënberg,LI,NLD | |
| Maria Elisabeth Huisman | |
| G: | 17 feb 1904 |
| Amsterdam,NH,NLD | |
| H: | 4 jan 1923 |
| Amsterdam,NH,NLD | |
| O: | Ja, datum echter onbekend |
|
| Elisabeth Maria Olsen | |
| G: | 27 jul 1878 |
| Amsterdam,NH,NLD | |
| Désiré Louis Pierre Maertens | |
| G: | 20 nov 1887 |
| Leiden,ZH,NLD | |
| H: | 11 jul 1912 |
| Amsterdam,NH,NLD | |