ca. 1670 -
| Lysbeth Lourens Koster | |
| G: | 1747 |
| Harlingen, Friesland | |
| Fokeltje Lourens Koster | |
| G: | 1749 |
| Harlingen, Friesland | |
| Klaas Lourens Koster | |
| G: | 1750 |
| Harlingen, Friesland | |
| Tryntje Lourens Koster | |
| G: | 1752 |
| Harlingen, Friesland | |
| Johannes Jans Slotje | |
| G: | 2 feb 1754 |
| Beetgum | |
| H: | 9 jun 1776 |
| Vrouwenparochie | |
| 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 | |
| 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 | |
| Lijsbeth Claesen Koster | |
| G: | 1724 |
| Sint Annaparochie | |
| O: | ca. 1725 |
| Sint Annaparochie | |
| Saapje Claesen Koster | |
| G: | 1726 |
| Sint Annaparochie | |
| Lysbeth Johannes | |
| G: | 1752 |
| Harlingen, Friesland | |
| O: | 29 nov 1790 |
| Harlingen, Friesland | |
| Lijsbeth Claesen Koster | |
| G: | 1726 |
| Sint Annaparochie | |
| Johannes Rommerts | |
| H: | 15 mrt 1750 |
| Harlingen, Friesland | |
| Maartie Claesen Koster | |
| G: | 1729 |
| Harlingen, Friesland | |
| Aagtie Claesen Koster | |
| G: | 1731 |
| Harlingen, Friesland | |
| Jan Claesen Koster | |
| G: | 1733 |
| Harlingen, Friesland | |
| Tryntje Claesen Koster | |
| G: | 1735 |
| Harlingen, Friesland | |
| Sybe Claesen Koster | |
| G: | 1737 |
| Harlingen, Friesland | |
| Marten Claesen Koster | |
| G: | 1739 |
| Harlingen, Friesland | |
| O: | ca. 1740 |
| Harlingen, Friesland | |
| Jacob Claesen Koster | |
| G: | 1742 |
| Harlingen, Friesland | |
| Marten Claesen Koster | |
| G: | 1742 |
| Harlingen, Friesland | |
| Lijsbeth Jans | |
| G: | 1699 |
| Sint Annaparochie | |
| Claas Lourens Koster | |
| G: | 1696 |
| Sint Annaparochie | |
| H: | 24 mei 1722 |
| St Annaparochie | |
| O: | ca. 1752 |
| Harlingen, Friesland | |
| Jan Martens | |
| G: | ca. 1670 |
| Sint Annaparochie | |
| Lysbeth jans | |
| G: | 1674 |
| Sint Annaparochie | |
| H: | 24 jun 1694 |
| Sint Annaparochie | |
