
| Wilhelmus Johannes Jacobus Ducardus | |
| G: | 20 feb 1912 |
| Utrecht,UT,NLD | |
| O: | 17 okt 1944 |
| Hersbruck,BA,DEU | |
| Maatje Janna Quist | |
| G: | 26 nov 1911 |
| Sint Annaland,ZE,NLD | |
| H: | 27 dec 1935 |
| Rotterdam,ZH,NLD | |
| O: | Ja, datum echter onbekend |
| Ernestus Theodorus Ducardus | |
| G: | 28 jan 1890 |
| Zutphen,GE,NLD | |
| Geertruida Pleisch | |
| G: | 1 apr 1881 |
| Rotterdam,ZH,NLD | |
| H: | 8 dec 1909 |
| Utrecht,UT,NLD | |