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Marriage 4 February 1915 -- Gieten, Au en Hunze, Drenthe, NetherlandsHarm Koopman 
(I10033) Birth 14 May 1892 -- Gieten, Aa en Hunze, Drenthe, Netherlands
Death 20 April 1950 (Age 57) -- Groningen, Groningen, Groningen, Netherlands
Unknown children