Una Katrin Howardson, b: 1910 - Siglunes, Mb. Canada

^{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}




		^{Þorkell Guðmundsson}^{b.1870 Brekkur, Iceland d.1910 Bolungarvik, Iceland}

	^{Guðmundur Thorkelsson Jónasson}^{b.1900 Bjóla, Rangárvallasýsla d.1966 Matsqui, B.C. Canada}

^{G H Jonasson}^{b. d.}		^{Guðrún Jóhanna Ámundadóttir}^{b.1882 Iceland d.1970}

^{A L Jonasson}^{b. d.}			^{Havardur Gudmundsson}^{b.1862 Sveinsstaðir, Iceland d.1939 Hayland, Canada}

^{John Richard ( Rick Jonasson}^{b.1942 Vancouver B.C. d.2001 Surrey, B.C.}		^{Jon Howardson}^{b.1885 Skorrastadur, Iceland d.1975 Vancouver, B.C.}	^{Helga Jónsdóttir}^{b.1854 Kirkjuból, Iceland d.1901 (poss, Mb.}

	^{Una Katrin Howardson}^{b.1910 Siglunes, Mb. Canada d.1957 Vancouver, B.C.}		^{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.}