| Descendancy Chart: | 
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Helena Johanna Warta
 - Jan Venema  (I25138) Birth 11 August 1902 -- Stadskanaal, Onstwedde, Groningen, Netherlands (I25138) Birth 11 August 1902 -- Stadskanaal, Onstwedde, Groningen, Netherlands
 
 1
  Marriage  7 May 1927   -- Onstwedde, Stadskanaal, Groningen, Netherlands Marriage  7 May 1927   -- Onstwedde, Stadskanaal, Groningen, Netherlands
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Jan Venema
 - Helena Johanna Warta  (I25135) Birth 13 February 1907 -- Valthermond, Borger-Odoorn, Drenthe, Netherlands (I25135) Birth 13 February 1907 -- Valthermond, Borger-Odoorn, Drenthe, Netherlands
  
 - Unknown children 
 

 
	


























