| Descendancy Chart: | 
 - Pedigree Tree 
 Descendancy Chart
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 Family with spouse
 Sikko Koopman
 Jan Hendrik Koopman- Johanna Vorenkamp  (I25871) Birth 17 March 1868 -- Hoogezand, Hoogezand-Sappemeer, Groningen, Netherlands (I25871) Birth 17 March 1868 -- Hoogezand, Hoogezand-Sappemeer, Groningen, Netherlands
 Death 12 December 1920 (Age 52) -- Groningen, Groningen, Groningen, Netherlands
  
 1
  Marriage  25 June 1903   -- Groningen, Groningen, Groningen, Netherlands Marriage  25 June 1903   -- Groningen, Groningen, Groningen, Netherlands
 - Pedigree Tree 
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 Family with spouse
 Johanna Vorenkamp
 Jan Hendrik Koopman- Sikko Koopman  (I25873) Birth 3 December 1868 -- Groningen, Groningen, Groningen, Netherlands (I25873) Birth 3 December 1868 -- Groningen, Groningen, Groningen, Netherlands
 Death 29 January 1938 (Age 69) -- Groningen, Groningen, Groningen, Netherlands
 
 - Number of Children: 1 
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 Family with spouse
 Stijntje Bonthond
 Family with spouse
 Katharina Honebecke
 - Jan Hendrik Koopman  (I25878) Birth 18 August 1905 -- Groningen, Groningen, Groningen, Netherlands (I25878) Birth 18 August 1905 -- Groningen, Groningen, Groningen, Netherlands
 Death 17 August 1959 (Age 53) -- Groningen, Groningen, Groningen, Netherlands
  
 1 . 1
  Marriage  15 July 1926   -- Groningen, Groningen, Groningen, Netherlands Marriage  15 July 1926   -- Groningen, Groningen, Groningen, Netherlands
 - Pedigree Tree 
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 Family with spouse
 Jan Hendrik Koopman
 - Stijntje Bonthond  (I25879) Birth 17 October 1901 -- Eexta, Scheemda, Groningen, Netherlands (I25879) Birth 17 October 1901 -- Eexta, Scheemda, Groningen, Netherlands
 Death 15 June 1951 (Age 49) -- Groningen, Groningen, Groningen, Netherlands
 
 - Unknown children 
 
   
 




























