| Albert Koster + Henderika de Vries
 
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	| | Jacob de Vries  (I13526) 
Birth  10 July 1867   -- Krommenia, Zaanstad, Noord-Holland, NetherlandsDeath  4 May 1951 (Age 83)   -- Groningen, Groningen, Groningen, Netherlands
 
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	| | Rikste Zuidland  (I13527) 
Birth  18 January 1873   -- Oude Pekela, Pekela, Groningen, NetherlandsDeath  9 September 1955 (Age 82)   -- Groningen, Groningen, Groningen, Netherlands
 
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