| Descendancy Chart: | 
 - Siemondina Borgman  (I19745) Birth 18 January 1844 -- Kloosterburen, De Marne, Groningen, Netherlands (I19745) Birth 18 January 1844 -- Kloosterburen, De Marne, Groningen, Netherlands
 Death 1 February 1911 (Age 67) -- Bedum, Bedum, Groningen, Netherlands
  
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  Marriage  8 March 1873   -- Kantens, Eemsmond, Groningen, Netherlands Marriage  8 March 1873   -- Kantens, Eemsmond, Groningen, Netherlands
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 Siemondina Borgman
 Beerend Smedema- Sikke Smedema  (I19746) Birth 22 October 1837 -- Rottum, Eemsmond, Groningen, Netherlands (I19746) Birth 22 October 1837 -- Rottum, Eemsmond, Groningen, Netherlands
 Death 16 February 1879 (Age 41) -- Kantens, Eemsmond, Groningen, Netherlands
 
 - Number of Children: 1 
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 Jantje Luursema
 Sikke Geerts Smedema- Beerend Smedema  (I19761) Birth 22 September 1873 -- Kantens, Eemsmond, Groningen, Netherlands (I19761) Birth 22 September 1873 -- Kantens, Eemsmond, Groningen, Netherlands
 Death 23 September 1956 (Age 83) -- Kantens, Eemsmond, Groningen, Netherlands
  
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  Marriage  2 May 1898   -- Kantens, Eemsmond, Groningen, Netherlands Marriage  2 May 1898   -- Kantens, Eemsmond, Groningen, Netherlands
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 Beerend Smedema
 Sikke Geerts Smedema- Jantje Luursema  (I19762) Birth 5 August 1869 -- Kantens, Eemsmond, Groningen, Netherlands (I19762) Birth 5 August 1869 -- Kantens, Eemsmond, Groningen, Netherlands
 
 - Number of Children: 1 
 - Sikke Geerts Smedema  (I19763) Birth 22 June 1910 -- Kantens, Eemsmond, Groningen, Netherlands (I19763) Birth 22 June 1910 -- Kantens, Eemsmond, Groningen, Netherlands
 Death 5 September 1934 (Age 24) -- Kantens, Eemsmond, Groningen, Netherlands
  
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  Marriage  27 September 1880   -- Kantens, Eemsmond, Groningen, Netherlands Marriage  27 September 1880   -- Kantens, Eemsmond, Groningen, Netherlands
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 Siemondina Borgman
 Margaretha Koolman
 Fenna Koolman
 Kornelia Koolman
 Anje Koolman- Klaas Koolman  (I19748) Birth 20 April 1839 -- Westeremden, Loppersum, Groningen, Netherlands (I19748) Birth 20 April 1839 -- Westeremden, Loppersum, Groningen, Netherlands
 Death 24 May 1922 (Age 83) -- Bedum, Bedum, Groningen, Netherlands
 
 - Number of Children: 4 
 - Margaretha Koolman  (I20802) Birth 13 August 1881 -- Kantens, Eemsmond, Groningen, Netherlands (I20802) Birth 13 August 1881 -- Kantens, Eemsmond, Groningen, Netherlands
  
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 Derk Huizinga
 - Fenna Koolman  (I20803) Birth 11 December 1882 -- Kantens, Eemsmond, Groningen, Netherlands (I20803) Birth 11 December 1882 -- Kantens, Eemsmond, Groningen, Netherlands
  
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  Marriage  26 April 1907   -- Bedum, Bedum, Groningen, Netherlands Marriage  26 April 1907   -- Bedum, Bedum, Groningen, Netherlands
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 Fenna Koolman
 - Derk Huizinga  (I20807) Birth 1879 -- Toornwerd, Middelstum, Groningen, Netherlands (I20807) Birth 1879 -- Toornwerd, Middelstum, Groningen, Netherlands
 
 - Unknown children 
 
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 Willem van Dijk
 - Kornelia Koolman  (I20804) Birth 19 September 1884 -- Kantens, Eemsmond, Groningen, Netherlands (I20804) Birth 19 September 1884 -- Kantens, Eemsmond, Groningen, Netherlands
  
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  Marriage  26 April 1907   -- Bedum, Bedum, Groningen, Netherlands Marriage  26 April 1907   -- Bedum, Bedum, Groningen, Netherlands
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 Kornelia Koolman
 - Willem van Dijk  (I20806) Birth 1883 -- Kantens, Eemsmond, Groningen, Netherlands (I20806) Birth 1883 -- Kantens, Eemsmond, Groningen, Netherlands
 
 - Unknown children 
 
 - Anje Koolman  (I20805) Birth 18 January 1887 -- Kantens, Eemsmond, Groningen, Netherlands (I20805) Birth 18 January 1887 -- Kantens, Eemsmond, Groningen, Netherlands
 Death 7 August 1946 (Age 59) -- Groningen, Groningen, Groningen, Netherlands
  
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