Timeline Chart

Male  Hemke van der Zwaag

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Female  Frederika de Graaf

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1894--
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Birth--20 June 1899 - Dantumadeel, Datumadeel, Friesland, Netherlands
Birth--5 October 1901 - Gramsbergen, Hardenberg, Overijssel, Netherlands
Marriage--17 January 1920 - Hoogeveen, Hoogeveen, Drenthe, Netherlands (Age 18)
Marriage--17 January 1920 - Hoogeveen, Hoogeveen, Drenthe, Netherlands (Age 20)
Death--22 January 1990 - Hoogeveen, Hoogeveen, Drenthe, Netherlands (Age 90)
Death--14 June 1992 - Hoogeveen, Hoogeveen, Drenthe, Netherlands (Age 90)