| Cathrinus Paul Adelaar Alers |
| Cathrinus Paul Adelaar Alers | |
| G: | 17 apr 1896 |
| Rotterdam | |
| O: | 5 jan 1904 |
| Rotterdam | |
| Hendrika Pieternella Ommering | |
| G: | 21 jun 1919 |
| Vlaardingen | |
| Nicoline Ommering |
| Nicoline Ommering | |
| G: | 21 sep 1924 |
| Velsen | |
| Pieternella Alers |
| Pieternella Alers | |
| G: | 17 jan 1899 |
| Rotterdam | |
| Nicolaas Jozua Ommering |
| Nicolaas Jozua Ommering | |
| G: | 8 jul 1891 |
| Vlaardingen | |
| H: | 1918 |
| Vlaardingen | |
| Johannes Adrianus Alers |
| Johannes Adrianus Alers | |
| G: | 14 feb 1902 |
| Rotterdam | |
| Johanna Wilhelmina Huiberta Zetten | |
| H: | 9 okt 1934 |
| Wageningen | |
| Martha Cornelia Alers |
| Martha Cornelia Alers | |
| G: | 19 mei 1912 |
| Rotterdam | |
| O: | 15 aug 1937 |
| 's-Gravenhage | |
| Herman Rikkinus bernard Jonkers | |
| H: | 8 jan 1934 |
| Rotterdam | |
|
| Hendrika Pieternella Spronk |
| Hendrika Pieternella Spronk | |
| G: | 2 jul 1870 |
| Delfshaven | |
| O: | 6 dec 1938 |
| Den Haag | |
| Johannes Adrianus Alers |
| Johannes Adrianus Alers | |
| G: | 10 jul 1867 |
| Delfshaven | |
| H: | 1 aug 1895 |
| Rotterdam | |
| O: | 23 jan 1945 |
| Rotterdam | |