| Descendancy Chart: | 
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Harm Koopman
 - Jantina Naaijer  (I10029) Birth 26 September 1892 -- Gasselterboerveenschemond, Gasselte, Drenthe, Netherlands (I10029) Birth 26 September 1892 -- Gasselterboerveenschemond, Gasselte, Drenthe, Netherlands
 Death 5 May 1958 (Age 65) -- Groningen, Groningen, Groningen, Netherlands
  
 1
  Marriage  4 February 1915   -- Gieten, Au en Hunze, Drenthe, Netherlands Marriage  4 February 1915   -- Gieten, Au en Hunze, Drenthe, Netherlands
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Jantina Naaijer
 - Harm Koopman  (I10033) Birth 14 May 1892 -- Gieten, Aa en Hunze, Drenthe, Netherlands (I10033) Birth 14 May 1892 -- Gieten, Aa en Hunze, Drenthe, Netherlands
 Death 20 April 1950 (Age 57) -- Groningen, Groningen, Groningen, Netherlands
 
 - Unknown children 
 

 
	


























