Descendancy Chart:
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Pedigree Tree 
Descendancy Chart
Ancestry Chart
Compact Chart
Circle Diagram
Hourglass Chart
Family with spouse
Maria Frederiksen
Jan Blaak 
(I26836) Birth 7 January 1901 -- Rotterdam, Rotterdam, Zuid-Holland, Netherlands

1
 Marriage  19 August 1926   -- Haarlem, Haarlem, Noord-Holland, Netherlands
Pedigree Tree 
Descendancy Chart
Ancestry Chart
Compact Chart
Circle Diagram
Hourglass Chart
Family with spouse
Jan Blaak
Maria Frederiksen 
(I26838) Birth 28 January 1905 -- Amsterdam, Amsterdam, Noord-Holland, Netherlands
Unknown children 


























