| Johannes Koopmans + Annechien Drenth
 
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	| | Jacob Drenth  (I04716) 
Birth  25 November 1876   -- Drouwenermond, Borger-Odoorn, Drenthe, NetherlandsDeath  20 February 1961 (Age 84)   -- Groningen, Groningen, Groningen, Netherlands
 
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	| | Alida Jantina Ruiter  (I01666) 
Birth  23 January 1872   -- Veendam, Veendam, Groningen, NetherlandsDeath  12 November 1952 (Age 80)   -- Groningen, Groningen, Groningen, Netherlands
 
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