1723 - 1791 (68 jaar)
| Lysbeth Lourens Koster | |
| G: | 1747 |
| Harlingen, Friesland | |
| Fokeltje Lourens Koster | |
| G: | 1749 |
| Harlingen, Friesland | |
| Klaas Lourens Koster | |
| G: | 1750 |
| Harlingen, Friesland | |
| Antje Slotje | |
| G: | 8 apr 1777 |
| Menaldumadeel | |
| Eelkje Slotje | |
| G: | 28 nov 1778 |
| Menaldumadeel | |
| Jan Slotje | |
| G: | 24 jun 1780 |
| Menaldumadeel | |
| Laurens Slotje | |
| G: | 29 okt 1783 |
| Menaldumadeel | |
| Eelkje Slotje | |
| G: | 20 feb 1785 |
| Menaldumadeel | |
| Jan Slotje | |
| G: | 8 feb 1787 |
| Menaldumadeel | |
| Fokeltje Slotje | |
| G: | 28 sep 1788 |
| Menaldumadeel | |
| Sybe Lourens Koster | |
| G: | 9 apr 1815 |
| Franeker | |
| O: | 4 mrt 1863 |
| Franeker | |
| Dieuwke Willems van Wicheren | |
| G: | 13 okt 1820 |
| Deinum | |
| H: | 7 nov 1841 |
| Franeker | |
| O: | 6 jan 1862 |
| Franeker | |
| Klaaske Johannes Slotje | |
| G: | 10 apr 1790 |
| Beetgum | |
| O: | 14 nov 1816 |
| Franeker | |
| Lourens Sybes Koster | |
| G: | 23 mrt 1789 |
| Dokkum | |
| H: | 7 aug 1814 |
| Menaam | |
| O: | 3 jul 1839 |
| Franeker | |
| Lysbeth Slotje | |
| G: | 25 nov 1791 |
| Menaldumadeel | |
| Tryntje Lourens Koster | |
| G: | 1752 |
| Harlingen, Friesland | |
| Johannes Jans Slotje | |
| G: | 2 feb 1754 |
| Beetgum | |
| H: | 9 jun 1776 |
| Vrouwenparochie | |
| Lourens Koster | |
| G: | 4 mei 1781 |
| Harlingen, Friesland | |
| Pietje Koster | |
| G: | 4 okt 1782 |
| Harlingen, Friesland | |
| Eelkje Koster | |
| G: | 28 dec 1783 |
| Harlingen, Friesland | |
| Jan Koster | |
| G: | 17 jun 1785 |
| Harlingen, Friesland | |
| Jantjen Koster | |
| G: | 16 jun 1788 |
| Harlingen, Friesland | |
| Rinske Koster | |
| G: | 17 dec 1792 |
| Harlingen, Friesland | |
| Teunis Lourens Koster | |
| G: | 1754 |
| Harlingen, Friesland | |
| Trijntje Jans | |
| H: | 1 jun 1778 |
| Harlingen, Friesland | |
| Maartie Lourens Koster | |
| G: | 1756 |
| Harlingen, Friesland | |
| Sybe Lourens Koster | |
| G: | 1757 |
| Harlingen, Friesland | |
| O: | vóór 1760 |
| Harlingen, Friesland | |
| Sybe Lourens Koster | |
| G: | 1760 |
| Harlingen, Friesland | |
| O: | vóór 1763 |
| Harlingen, Friesland | |
| Eelkje Koster | |
| G: | 3 apr 1788 |
| Dokkum | |
| O: | 1850 |
| Sybe Lourens Koster | |
| G: | 9 apr 1815 |
| Franeker | |
| O: | 4 mrt 1863 |
| Franeker | |
| Dieuwke Willems van Wicheren | |
| G: | 13 okt 1820 |
| Deinum | |
| H: | 7 nov 1841 |
| Franeker | |
| O: | 6 jan 1862 |
| Franeker | |
| Lourens Sybes Koster | |
| G: | 23 mrt 1789 |
| Dokkum | |
| O: | 3 jul 1839 |
| Franeker | |
| Klaaske Johannes Slotje | |
| G: | 10 apr 1790 |
| Beetgum | |
| H: | 7 aug 1814 |
| Menaam | |
| O: | 14 nov 1816 |
| Franeker | |
| 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 | |
| H: | 13 apr 1817 |
| Franeker | |
| O: | 30 okt 1823 |
| Franeker | |
| Taetske Koster | |
| G: | 1 okt 1825 |
| Franeker | |
| Jacobus Jacobs van Horen | |
| G: | 20 sep 1809 |
| Franeker | |
| H: | 2 dec 1849 |
| Franeker | |
| Wouter Douwes Bouma | |
| G: | 17 dec 1815 |
| Franeker | |
| H: | 12 jul 1857 |
| Franeker | |
| Sjoerd Koster | |
| G: | 30 apr 1828 |
| Franeker | |
| Berber Vlietstra | |
| G: | 1829 |
| Franeker | |
| H: | 13 aug 1854 |
| Franeker | |
| Tjitse Koster | |
| G: | 30 nov 1832 |
| Franeker | |
| Ale Koster | |
| G: | 14 mrt 1836 |
| Franeker | |
| O: | 27 nov 1837 |
| Franeker | |
| Klaas Koster | |
| G: | 11 feb 1839 |
| Franeker | |
| O: | 16 mrt 1840 |
| Franeker | |
| Tjietske Sjoerds Hoogda van Wielinga | |
| G: | 31 mei 1799 |
| Dronrijp | |
| H: | 8 mei 1825 |
| Franeker | |
| O: | 11 nov 1843 |
| Franeker | |
| Bartel Koster | |
| G: | 30 mrt 1790 |
| Dokkum | |
| O: | 20 sep 1852 |
| Leeuwarden | |
| Elisabeth Peterse | |
| G: | 1790 |
| Utrecht | |
| H: | 30 apr 1815 |
| Leeuwarden | |
| O: | 22 feb 1855 |
| Leeuwarden | |
| Sybe Jans Goslings | |
| G: | 25 mei 1820 |
| Dokkum | |
| O: | 25 sep 1822 |
| Dokkum | |
| Saape Jans Goslings | |
| G: | 12 feb 1822 |
| Dokkum | |
| O: | 27 mrt 1824 |
| Dokkum | |
| Iefke Koster | |
| G: | 15 dec 1793 |
| Dokkum | |
| O: | 16 sep 1822 |
| Dokkum | |
| Jan Goslings | |
| G: | 1764 |
| Dokkum | |
| H: | 16 sep 1820 |
| Dokkum | |
| Klaas Koster | |
| G: | 22 nov 1796 |
| Dokkum | |
| O: | 6 okt 1878 |
| Dokkum | |
| Johanna Reder | |
| G: | 9 mei 1800 |
| Holwerd, Friesland | |
| H: | 11 nov 1820 |
| Dokkum | |
| O: | 27 apr 1864 |
| Eelde | |
| Moerke Koster | |
| G: | 14 aug 1799 |
| Dokkum | |
| O: | 4 nov 1824 |
| Dokkum | |
| Jacob de Wilde | |
| G: | 1798 |
| IJlst | |
| H: | 15 apr 1821 |
| Dokkum | |
| Gerben Koster | |
| G: | 29 jan 1804 |
| Dokkum | |
| O: | 31 aug 1812 |
| Dokkum | |
| Sybe Lourens Koster | |
| G: | 1763 |
| Harlingen, Friesland | |
| O: | 15 sep 1805 |
| Dokkum | |
| Tjietske Bartels Boekhout | |
| G: | 1762 |
| Dokkum | |
| H: | 21 okt 1787 |
| Dokkum | |
| Jacob Lourens Koster | |
| G: | 1765 |
| Harlingen, Friesland | |
|
| Lourens Claesen Koster | |
| G: | 1723 |
| Sint Annaparochie | |
| O: | 10 feb 1791 |
| Harlingen | |
| Eelkjen Teunis | |
| H: | 15 mei 1746 |
| Harlingen, Friesland | |
