| Descendancy Chart: | 
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
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 Hourglass Chart
 Family with spouse
 Sijbren van der Zwaag
 - Grietje Eefting  (I04984) Birth 3 August 1891 -- Valthermussel, Borger-Odoorn, Drenthe, Netherlands (I04984) Birth 3 August 1891 -- Valthermussel, Borger-Odoorn, Drenthe, Netherlands
 Death 14 March 1981 (Age 89)
  
 1
  Marriage  15 October 1910   -- Vlagtwedde, Vlagtwedde, Groningen, Netherlands Marriage  15 October 1910   -- Vlagtwedde, Vlagtwedde, Groningen, Netherlands
 - Pedigree Tree 
 Descendancy Chart
 Ancestry Chart
 Compact Chart
 Circle Diagram
 Hourglass Chart
 Family with spouse
 Grietje Eefting
 - Sijbren van der Zwaag  (I04989) Birth 26 July 1889 -- Akkerwourde, Dantumadeel, Friesland, Netherlands (I04989) Birth 26 July 1889 -- Akkerwourde, Dantumadeel, Friesland, Netherlands
 Death 11 December 1958 (Age 69)
 
 - Unknown children 
 

 
	


























