| Leonardus Johannes Albertus Niersmans |
| Leonardus Johannes Albertus Niersmans | |
| G: | 3 nov 1874 |
| Hof van Delft | |
| O: | 24 dec 1945 |
| Delft | |
| Maria Jacoba van Deursen |
| Maria Jacoba van Deursen | |
| G: | ca. 1873 |
| Delft | |
| H: | 22 aug 1900 |
| Delft | |
| O: | Ja, datum echter onbekend |
| Apolonia Margaretha Francisca Niersmans |
| Apolonia Margaretha Francisca Niersmans | |
| G: | 11 jan 1877 |
| Hof van Delft | |
| O: | 8 jun 1952 |
| Delft | |
| Johannes Petrus Hendricus Niersmans |
| Johannes Petrus Hendricus Niersmans | |
| G: | 1 apr 1880 |
| Hof van Delft | |
| O: | 23 dec 1903 |
| Delft | |
|
| Petrus Hendricus Niersmans |
| Petrus Hendricus Niersmans | |
| G: | ca. 1843 |
| Rotterdam | |
| O: | 5 jul 1904 |
| Delft | |
| Adriana Verburg |
| Adriana Verburg | |
| G: | ca. 1841 |
| Delft | |
| H: | 5 nov 1873 |
| Delft | |
| O: | 9 mrt 1910 |
| Delft | |