G Ívarsson, b: -

^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}
^{1991 Break-up of the Soviet Union}

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}


			^{Árni Sveinbjörnsson}^{b.1891 (Króki í Eyrarsveit) Set d.1963}

		^{Ívar Árnason}^{b.1940 Grundarfirði, Iceland d.2011 Landspítalans við Hring}	^{Herdís Sigurlín Gísladóttir}^{b.1899 Þorgeirsfelli í Staðarsvei d.1996}

	^G Ívarsson^{b. d.}

^{G H Gústavsson}^{b. d.}		^{Jóhanna Steinþóra Gústafsdóttir}^{b.1943 Siglufirði d.2008}

^{G A Gústavsson}^{b. d.}

^{J S Gústavsdóttir}^{b. d.}

	^{H G Tómasdóttir}^{b. d.}