| Ancestry Chart: | 
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 Family with spouse
 Johannes Willebrordus Koesen
 - Harmanna Johanna Maria Neijens  (I17108) Birth 6 April 1885 -- Opwierde, Appingedam, Groningen, Netherlands (I17108) Birth 6 April 1885 -- Opwierde, Appingedam, Groningen, Netherlands
 Death 6 June 1952 (Age 67) -- Groningen, Groningen, Groningen, Netherlands
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