Timeline Chart

Male  Harmannus Jonkman
1863--
1864--
1872--
1880--
1888--
1896--
1904--
1912--
1920--
1928--
1936--
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