1854 - 1921 (66 jaar)
| Margaretha Anthonia Koster | |
| G: | 20 sep 1876 |
| Haarlem | |
1875-
| Pieter Jacob Busé | |
| G: | 1875 |
| Haarlem | |
| H: | 16 apr 1896 |
| Haarlem | |
1878-1947
| Anthonius Bernardus Koster | |
| G: | 14 apr 1878 |
| Haarlem | |
| O: | 15 dec 1947 |
| Haarlem | |
1880-1945
| Cornelis Hendricus Koster | |
| G: | 20 jul 1880 |
| Haarlem | |
| O: | 4 jul 1945 |
| Haarlem | |
| Elisabeth Maria Helminck | |
| H: | 19 mei 1910 |
| Haarlem | |
1886-1952
| Johannes Mattheus Koster | |
| G: | 11 okt 1886 |
| Haarlem | |
| O: | 8 jul 1952 |
| Haarlem | |
| Dorothea Johanna van Wetering | |
| H: | 19 jun 1913 |
| Haarlem | |
|
1854-1921
| Johannus Theodorus Koster | |
| G: | 20 apr 1854 |
| Schoten | |
| O: | 25 feb 1921 |
| Haarlem | |
1856-1919
| Anna Dernison | |
| G: | 1856 |
| Bloemendaal | |
| H: | 19 jul 1876 |
| Haarlem | |
| O: | 17 jul 1919 |
| Haarlem | |
