1912-1912
| Jakob Frits Visker | |
| G: | 25 jan 1912 |
| Nijmegen | |
| O: | 28 jan 1912 |
| Nijmegen | |
1912-2002
| Jakob Maria Visker | |
| G: | 13 dec 1912 |
| Nijmegen | |
| O: | 18 mrt 2002 |
| Nijmegen | |
1915-1966
| Johanna Arnolda Wilhelmina Visker | |
| G: | 31 aug 1915 |
| Nijmegen | |
| O: | 20 aug 1966 |
| Nijmegen | |
1919-1997
| Maria Catharina Aleida Visker | |
| G: | 18 sep 1919 |
| Nijmegen | |
| O: | 21 jun 1997 |
1922-1922
| NN Visker | |
| G: | 20 jan 1922 |
| Nijmegen | |
| O: | 20 jan 1922 |
| Nijmegen | |
|
1882-1956
| Antonia Gesina Sluiter | |
| G: | 23 mrt 1882 |
| Groningen | |
| O: | 16 feb 1956 |
| Groningen | |
1880-1932
| Hinderikus Johannes Visker | |
| G: | 18 sep 1880 |
| Windeweer | |
| H: | 28 dec 1911 |
| Groningen | |
| O: | 27 nov 1932 |
| Groningen | |