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Male  Jan Gerrit Blaak

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1900--
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Birth--20 September 1905 - Kalkwijk, Hoogezand-Sappemeer, Groningen, Netherlands
Marriage--29 December 1944 - Hoogezand, Hoogezand-Sappemeer, Groningen, Netherlands (Age 39)
Death--2 November 1993 - Appingedam, Appingedam, Groningen, Netherlands (Age 88)