| Descendancy Chart: | 
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
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 Hourglass Chart
 Family with spouse
 Hendrik Christoffer Koster
 Family with spouse
 Evert Koster
 - Aaltje Bos  (I03535) Birth 6 September 1889 -- Wildervank, Veendam, Groningen, Netherlands (I03535) Birth 6 September 1889 -- Wildervank, Veendam, Groningen, Netherlands
 Death 20 June 1949 (Age 59) -- Groningen, Groningen, Groningen, Netherlands
  
 1
  Marriage  10 June 1911   -- Wildervank, Veendam, Groningen, Netherlands Marriage  10 June 1911   -- Wildervank, Veendam, Groningen, Netherlands
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Aaltje Bos
 - Hendrik Christoffer Koster  (I03536) Birth 6 January 1890 -- Veendam, Veendam, Groningen, Netherlands (I03536) Birth 6 January 1890 -- Veendam, Veendam, Groningen, Netherlands
 Death 12 March 1923 (Age 33) -- Groningen, Groningen, Groningen, Netherlands
 
 - Unknown children 
 
   

 
	


























