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| | Marten Maring  (I20186) 
Birth  6 July 1873   -- Tinallinge, Baflo, Groningen, NetherlandsDeath  2 July 1945 (Age 71)   -- Obergum, Winsum, Groningen, Netherlands
 
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| | Johanna Zwartsenberg  (I20187) 
Birth  25 December 1875   -- Obergum, Winsum, Groningen, NetherlandsDeath  1 June 1957 (Age 81)   -- Winsum, Winsum, Groningen, Netherlands
 
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