Timeline Chart

Male  Harmannus Jonkman
1863--
1865--
1870--
1875--
1880--
1885--
1890--
1895--
1900--
1905--
1910--
1915--
1920--
1925--
1930--
1935--
1940--
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