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Male  Harmannus Jonkman
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1863--
1866--
1872--
1878--
1884--
1890--
1896--
1902--
1908--
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1932--
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1942--
Birth -- 13 November 1868 28 28 Groningen
Civil Marriage -- 12 November 1911 ‏(Age 42)‏ Groningen Martha Geertruida Reijnders
Death -- 7 February 1937 ‏(Age 68)‏ Groningen