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Male  Jan Harms Blaak
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1830--
1832--
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Birth--2 November 1835 - Hoogezand, Hoogezand-Sappemeer, Groningen, Netherlands
Marriage--2 March 1864 - Stedum, Loppersum, Groningen, Netherlands (Age 28)
Death--26 April 1905 - Oude Pekela, Pekela, Groningen, Netherlands (Age 69)