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Marriage 23 May 1932 -- Winschoten, Winschoten, Groningen, NetherlandsAlbert Harm Marten Pieter Koolhof 
(I23942) Birth 3 February 1907 -- Winschoten, Winschoten, Groningen, Netherlands
Unknown children
Descendancy Chart:
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Marriage 23 May 1932 -- Winschoten, Winschoten, Groningen, Netherlands
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