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Marriage 10 June 1911 -- Wildervank, Veendam, Groningen, NetherlandsHendrik Christoffer Koster 
(I03536) Birth 6 January 1890 -- Veendam, Veendam, Groningen, Netherlands
Death 12 March 1923 (Age 33) -- Groningen, Groningen, Groningen, Netherlands
Unknown children
Unknown children