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Bartelds/Kratzer Genealogy
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Pieter Harmannus Koster
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Harmke Possel
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Margaretha Pieternella Koster![]() |
| Derk Koster |
Geert Koster
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The Next Generation of Genealogy Sitebuilding v. 15.0.3, Darrin Lythgoe © 2001-2026.
DoJoBa-Verlag. | .