| Ancestry Chart: | 
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 Family with spouse
 Gepka Pronk
 Ike Rikkerdine Bonthuis
 Cornelis Bonthuis- Willem Bonthuis  (I01794) Birth 2 June 1880 -- Onderdendam, Bedum, Groningen, Netherlands (I01794) Birth 2 June 1880 -- Onderdendam, Bedum, Groningen, Netherlands
 Death 14 May 1961 (Age 80) -- Veendam, Veendam, Groningen, Netherlands
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