
| Douwe Koster | |
| G: | 1 feb 1818 |
| Franeker | |
| Bartel Koster | |
| G: | 18 nov 1820 |
| Franeker | |
| Klaas Koster | |
| G: | 17 mrt 1822 |
| Franeker | |
| O: | 29 mrt 1822 |
| Franeker | |
| Hiltje Douwes Boorsma | |
| G: | 27 feb 1791 |
| Franeker | |
| O: | 30 okt 1823 |
| Franeker | |
| Lourens Sybes Koster | |
| G: | 23 mrt 1789 |
| Dokkum | |
| H: | 13 apr 1817 |
| Franeker | |
| O: | 3 jul 1839 |
| Franeker | |