J E Jónsson, 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}


			^{Guðmundur Arason}^{b.1842 Fagran, Skagafjarðarsýsla d.1919}

		^{Jón Guðmundsson}^{b.1887 Sjávarborgarsók, N. A. A. d.1949}	^{Una Jónasdóttir}^{b.1853 Reykjasókn, N. A. A. d.1918}

	^{J E Jónsson}^{b. d.}

^{E Jóhannsson}^{b. d.}		^{Hólmfríður Eiríksdóttir}^{b.1890 d.1949}

^{J Jóhannsson}^{b. d.}



	^{I Eysteinsdóttir}^{b. d.}