S Jonsson, b: -

^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}

^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}

^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}



		^{Þorsteinn Jónsson}^{b.1891 Iceland d.1967 Siglunes distric, Manitoba}

^B Jonsson^{b. d.}	^S Jonsson^{b. d.}		^{Guðmundur Pétursson}^{b.1853 Eyri í Eyrarsókn í Skutul d.}

^L Jonsson^{b. d.}		^{Kristín Sigríður Pétursson}^{b.1884 Eyri í Eyrarsókn í Skutul d.1938}	^{Kristjana Jónsdóttir}^{b.1856 Arnardalur fremri, Iceland d.1893 Canada}

^I Jonsson^{b. d.}

^M Jonsson^{b. d.}

	^C Watson^{b. d.}