1897 - 
1922-1994
| Pieter Gerard van der Gaag | |
| G: | 16 jul 1922 |
| Maassluis | |
| O: | 18 feb 1994 |
| Lelystad | |
1925-1927
| Machteld van der Gaag | |
| G: | 28 okt 1925 |
| Maassluis | |
| O: | 5 nov 1927 |
| Maassluis | |
|
| Wilhelmina van den Boogaart | |
| G: | 22 feb 1897 |
| Maasland | |
1899-1958
| Gerard van der Gaag | |
| G: | 11 apr 1899 |
| Maassluis | |
| H: | 16 sep 1920 |
| Maassluis | |
| O: | 11 jan 1958 |
| Ede | |
| Anthonie Johannes Ringlever | |
| G: | 1894 |
| Kralingen | |
| H: | 24 aug 1932 |
| Rotterdam | |
