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Male  Willem Jonkman
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1898--
1900--
1904--
1908--
1912--
1916--
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1928--
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Birth--26 February 1903 - Vledderveen, Onstwedde, Groningen, Netherlands
Marriage--13 December 1937 - Onstwedde, Stadskanaal, Groningen, Netherlands (Age 34)