
| Johanna Carolina Theresia Koster | |
| G: | 20 feb 1928 |
| Laren NH | |
| O: | 29 mei 2005 |
| Johannes Gijsbertus Petrus Koster | |
| G: | 21 feb 1929 |
| Laren NH | |
| O: | 1 jun 2015 |
| Laren NH | |
| Gerardus Johannes Maria Koster | |
| G: | 27 apr 1933 |
| Laren NH | |
| O: | 30 jul 1981 |
| Franciscus Thomas Maria Koster | |
| G: | 25 mei 1938 |
| Laren NH | |
| O: | 29 okt 1958 |
| Ermelo | |
| Alida Carolina Maria Oosteweeghel | |
| G: | 23 mei 1900 |
| Utrecht | |
| O: | 17 aug 1964 |
| Laren NH | |
| Lambertus Koster | |
| G: | 20 mrt 1898 |
| Laren NH | |
| H: | ca. 5-1927 |
| O: | 19 dec 1969 |