| Descendancy Chart: | 
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Jan Kornelis de Grooth
 - Heiltje Tamboer  (I13380) Birth 4 August 1879 -- Stadskanaal, Stadskanaal, Groningen, Netherlands (I13380) Birth 4 August 1879 -- Stadskanaal, Stadskanaal, Groningen, Netherlands
  
 1
  Marriage  8 December 1907   -- Groningen, Groningen, Groningen, Netherlands Marriage  8 December 1907   -- Groningen, Groningen, Groningen, Netherlands
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Heiltje Tamboer
 - Jan Kornelis de Grooth  (I13381) Birth 1873 -- Tussenklappen, Menterwolde, Groningen, Netherlands (I13381) Birth 1873 -- Tussenklappen, Menterwolde, Groningen, Netherlands
 
 - Unknown children 
 

 
	


























