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Male  Koenraad Tonkes
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1894--
1896--
1904--
1912--
1920--
1928--
1936--
1944--
1952--
1960--
1968--
1976--
1980--
Birth--12 March 1899 - Kropswolde, Hoogezand-Sappemeer, Groningen, Netherlands
Marriage--3 January 1922 - Assen, Assen, Drenthe, Netherlands (Age 22)
Death--14 August 1975 (Age 76)