Ancestry Chart:	
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Family with spouse
Albertje Drok
Jan Hendrik Blaak 
(I26833) Birth 2 May 1919
Death 16 March 1978 (Age 58)
1 
   2  and  3  Marriage  22 September 1917   -- Onstwedde, Stadskanaal, Groningen, Netherlands

Pedigree Tree 
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Family with spouse
Jantje Folkers
Jan Hendrik BlaakJan Jans Blaak 
(I02008) Birth 9 December 1889 -- Onstwedde, Stadskanaal, Groningen, Netherlands
Death 22 June 1979 (Age 89)

2 Father 
   4  and  5  Marriage  2 September 1875   -- Onstwedde, Stadskanaal, Groningen, Netherlands

Jan Hindriks Blaak 
(I01446) Birth 29 August 1840 -- Sappemeer, Hoogezand-Sappemeer, Groningen, Netherlands
Death 12 February 1917 (Age 76) -- Musselkanaal, Onstwedde, Groningen, Netherlands

4 Grandfather 
   8  and  9  Marriage  25 May 1839   -- Sappemeer, Hoogezand-Sappemeer, Groningen, Netherlands

Hindrik Jans Blaak 
(I01199) Birth 25 October 1807 -- Wildervank, Veendam, Groningen, Netherlands
Death 5 September 1873 (Age 65) -- Stadskanaal, Stadskanaal, Groningen, Netherlands

8 Great-Grandfather 
   16  and  17  Marriage  February 1804   -- Wildervank, Veendam, Groningen, Netherlands

Jan Andries Blaak 
(I01196) Birth 17 September 1769 -- Wildervank, Veendam, Groningen, Netherlands
Death 9 April 1840 (Age 70) -- Wildervank, Veendam, Groningen, Netherlands

16 Great-Great-Grandfather 
Jantje Harms Bakker 
(I01096) Birth 30 January 1781 -- Noordbroek, Menterwolde, Groningen, Netherlands
Death 29 January 1866 (Age 84) -- Acheterdiep, Sappemeer, Groningen, Netherlands

17 Great-Great-Grandmother 

Getruida Schneider 
(I01445) Birth 15 November 1811 -- Slochteren, Slochteren, Groningen, Netherlands
Death 2 December 1865 (Age 54) -- Sappemeer, Hoogezand-Sappemeer, Groningen, Netherlands

9 Great-Grandmother 

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Family with spouse
Jan Hindriks Blaak
Hindrik Jans Blaak
Grietje Blaak
Jan Jans Blaak
Jan Jans BlaakGrietje Jans Roghaar 
(I01447) Birth 18 April 1851 -- Wirdum, Loppersum, Groningen, Netherlands
Death 24 April 1896 (Age 45) -- Musselkanaal, Onstwedde, Groningen, Netherlands

5 Grandmother 
   10  and  11  Marriage  2 February 1835   -- Sappemeer, Hoogezand-Sappemeer, Groningen, Netherlands

Jan Harms Roghaar 
(I01464) Birth 9 November 1798 -- Nieuwe Pekela, Pekela, Groningen, Netherlands
Death 7 September 1869 (Age 70) -- Groningen, Groningen, Groningen, Netherlands

10 Great-Grandfather 
Grietje Jans Blaak 
(I01200) Birth 24 June 1813 -- Wildervank, Veendam, Groningen, Netherlands
Death 21 October 1876 (Age 63) -- Stadskanaal, Stadskanaal, Groningen, Netherlands

11 Great-Grandmother 
   22  and  23  Marriage  February 1804   -- Wildervank, Veendam, Groningen, Netherlands

Jan Andries Blaak 
(I01196) Birth 17 September 1769 -- Wildervank, Veendam, Groningen, Netherlands
Death 9 April 1840 (Age 70) -- Wildervank, Veendam, Groningen, Netherlands

22 Great-Great-Grandfather 
[=16 - Great-Great-Grandfather]
Jantje Harms Bakker 
(I01096) Birth 30 January 1781 -- Noordbroek, Menterwolde, Groningen, Netherlands
Death 29 January 1866 (Age 84) -- Acheterdiep, Sappemeer, Groningen, Netherlands

23 Great-Great-Grandmother 
[=17 - Great-Great-Grandmother]

Pedigree Tree 
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Family with spouse
Jan Jans Blaak
Jan Hendrik BlaakJantje Folkers 
(I02009) Birth 21 May 1893 -- Onstwedde, Stadskanaal, Groningen, Netherlands
Death 26 January 1972 (Age 78)

3 Mother 


























