Mathildur Howardson, b: 1913

^{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}






^D J Porter^{b. d.}	^{Warren Charles Porter}^{b.1913 U.S.A. d.2000 Richland Center Wi}

^W J Porter^{b. d.}

^G E Porter^{b. d.}			^{Havardur Gudmundsson}^{b.1862 Sveinsstaðir, Iceland d.1939 Hayland, Canada}

^{Richard ( Ricki ) Porter}^{b.1943 d.1952 Madison Wi}		^{Jon Howardson}^{b.1885 Skorrastadur, Iceland d.1975 Vancouver, B.C.}	^{Helga Jónsdóttir}^{b.1854 Kirkjuból, Iceland d.1901 (poss, Mb.}

	^{Mathildur Howardson}^{b.1913 Siglunes, Mb. d.1958 Richland Center, Wi}		^{Bjarni Torfason}^{b.1850 Hjalt, Norður-Múlasýsla d.1926 Gimli, Mb.}

		^{Maria Bjarnadottir}^{b.1886 Dver, Norður-Múlasýsla d.1923 Siglunes, Mb.}	^{Katrín Gissurardóttir}^{b.1862 Kálfafellsstaðarsókn, Austur-Skaptafellssýsla d.1934 Gimli, Mb.}