| Willem Gerardus Hubertus Maassen |
| Willem Gerardus Hubertus Maassen | |
| G: | ca. 1905 |
| Venlo | |
| O: | Ja, datum echter onbekend |
| Franziska van den Munckhof |
| Franziska van den Munckhof | |
| G: | 9 jun 1907 |
| Hillegersberg | |
| H: | 29 apr 1932 |
| Maasbree | |
| O: | Ja, datum echter onbekend |
| Theodor Hubert Pierre Maassen |
| Theodor Hubert Pierre Maassen | |
| G: | 5 jan 1884 |
| Venlo | |
| O: | 1959 |
| Venlo | |
| Maria Catharina Hubertina Martens |
| Maria Catharina Hubertina Martens | |
| G: | ca. 1884 |
| Venlo | |
| H: | 20 jul 1903 |
| Venlo | |
| O: | 1955 |
| Venlo | |
| Theodoor Maassen |
| Theodoor Maassen | |
| G: | 31 aug 1852 |
| Weert | |
| O: | 21 mrt 1908 |
| Venlo | |
| Anna Gertrudis Seetsen |
| Anna Gertrudis Seetsen | |
| G: | 7 okt 1841 |
| Venlo | |
| H: | 9 apr 1872 |
| Venlo | |
| O: | Ja, datum echter onbekend |
|
| Petrus Maassen |
| Petrus Maassen | |
| G: | 5 jul 1828 |
| Berlicum | |
| O: | 1883 |
| Geertrui Swakhoven |
| Geertrui Swakhoven | |
| G: | 1831 |
| O: | 1883 |