Timeline Chart

Male  Jan Gerrit Blaak
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1900--
1908--
1920--
1932--
1944--
1956--
1968--
1980--
1992--
1998--
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)