Timeline Chart

Male  Harmannus Jonkman
1863--
1872--
1884--
1896--
1908--
1920--
1932--
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