| Ancestry Chart: | 
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
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 Family with spouse
 Johannes Koopmans
 - Hendrika Vermeulen  (I21858) Birth 17 September 1890 -- Rotterdam, Rotterdam, Zuid-Holland, Netherlands (I21858) Birth 17 September 1890 -- Rotterdam, Rotterdam, Zuid-Holland, Netherlands
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