| Descendancy Chart: | 
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 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
 
 1
  Marriage  6 August 1914   -- Amsterdam, Amsterdam, Zuid-Holland, Netherlands Marriage  6 August 1914   -- Amsterdam, Amsterdam, Zuid-Holland, Netherlands
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Hendrika Vermeulen
 - Johannes Koopmans  (I21857) Birth 1884 -- Amsterdam, Amsterdam, Noord-Holland, Netherlands (I21857) Birth 1884 -- Amsterdam, Amsterdam, Noord-Holland, Netherlands
  
 - Unknown children 
 


























