NGV Stambomenverzameling
Gezin: Jan Jans Koster / Aaltje Westera (F6320)
getr. 3 nov 1771Willem Alberts Westera (1711-1795) 
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Gerrigje Jans Reitberg (1720-1811)
|
Albert Willems Westera (1742- )  |
| Jennigjen Westera (1743-1813) |
| Jacob Willems Westera (1746-1815) |
| Gerrit Willems Westera (1748-1816) |
| Arend Westera (1749-1752) |
| Jan Westera (1751- ) |
| Arend Willems Westera (1753-1827) |
| Geesje Willems Westera (1757- ) |
| Jan Jans Koster ( -1788) |
| Aaltje Westera (1745-1817)
|
| Gerrigjen Koster (1772- ) |
| Jannetje Koster (1773- ) |
| Hendrikje Koster (1775- ) |
| Geesjen Koster (1780-1782) |
| Geesjen Koster (1783- ) |
| Arendjen Koster (1785- ) |