
| Lourens Dirks Koster | |
| G: | 1729 |
| Sint Annaparochie | |
| O: | vóór 1732 |
| Lourens Dirks Koster | |
| G: | 1732 |
| Harlingen | |
| Grietje Joosten | |
| G: | 1727 |
| Harlingen | |
| H: | 17 jun 1753 |
| Harlingen | |
| Rinske Dirks Koster | |
| G: | 1737 |
| Harlingen | |
| O: | 16 mei 1792 |
| Harlingen | |
| Douwe Dirks | |
| H: | 4 jun 1759 |
| Harlingen | |
| Dirk Lourens Koster | |
| G: | 1702 |
| Sint Annaparochie | |
| H: | 28 mei 1728 |
| Sint Annaparochie | |