Descendancy Chart:
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Pedigree Tree
Descendancy Chart
Ancestry Chart
Compact Chart
Circle Diagram
Hourglass Chart
Family with spouse
Jantje Koopmans
Willem Marie Duijker (I21860) Birth 1887 -- Nieuwer-Amstel, Amsterdam, Netherlands
1- Marriage 13 September 1917 -- Amsterdam, Amsterdam, Noord-Holland, Netherlands
Pedigree Tree
Descendancy Chart
Ancestry Chart
Compact Chart
Circle Diagram
Hourglass Chart
Family with spouse
Willem Marie Duijker
Jantje Koopmans (I21859) Birth 1890 -- Amsterdam, Amsterdam, Noord-Holland, Netherlands
Death 30 April 1948 (Age 58) -- Apeldoorn, Apeldoorn, Gelderland, Netherlands
Unknown children