| Descendancy Chart: | 
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Trijntje van de Werf
 - Roelof Berend Koops  (I26744) Birth 11 September 1921 (I26744) Birth 11 September 1921
 Death May 1988 (Age 66)
  
 1
   - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Roelof Berend Koops
 - Trijntje van de Werf  (I26745) Birth 1 June 1920 (I26745) Birth 1 June 1920
 
 - Unknown children 
 

 
	


























