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 Helenius Greven
 Jijgiena Greven- Pietertje Boswijk  (I10649) Birth 8 March 1839 -- Nieuwe Pekela, Pekela, Groningen, Netherlands (I10649) Birth 8 March 1839 -- Nieuwe Pekela, Pekela, Groningen, Netherlands
 Death 17 August 1922 (Age 83) -- Wildervank, Veendam, Groningen, Netherlands
  
 1
  Marriage  29 June 1871   -- Onstwedde, Stadskanaal, Groningen, Netherlands Marriage  29 June 1871   -- Onstwedde, Stadskanaal, Groningen, Netherlands
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 Pietertje Boswijk
 Jijgiena Greven- Helenius Greven  (I10650) Birth 24 March 1827 -- Nieuwe Pekela, Pekela, Groningen, Netherlands (I10650) Birth 24 March 1827 -- Nieuwe Pekela, Pekela, Groningen, Netherlands
 Death 20 March 1872 (Age 44) -- Nieuwe Pekela, Pekela, Groningen, Netherlands
 
 - Number of Children: 1 
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 Albert Altona
 - Jijgiena Greven  (I10665) Birth 12 August 1872 -- Nieuwe Pekela, Pekela, Groningen, Netherlands (I10665) Birth 12 August 1872 -- Nieuwe Pekela, Pekela, Groningen, Netherlands
 Death 9 December 1937 (Age 65) -- Stadskanaal, Groningen, Netherlands
  
 1 . 1
  Marriage  31 October 1901   -- Nieuwe Pekela, Pekela, Groningen, Netherlands Marriage  31 October 1901   -- Nieuwe Pekela, Pekela, Groningen, Netherlands
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 Jijgiena Greven
 - Albert Altona  (I10666) Birth 14 July 1868 -- Stadskanaal, Wildervank, Groningen, Netherlands (I10666) Birth 14 July 1868 -- Stadskanaal, Wildervank, Groningen, Netherlands
 Death 23 November 1943 (Age 75) -- Exloërmond, Borger-Odoorn, Drenthe, Netherlands
 
 - Unknown children 
 
 




























