S Árnadóttir, 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}




	^{I P Sveinsson}^{b. d.}



^{Ó Ö Ingvarsson}^{b. d.}

		^{Árni Jónsson}^{b.1920 Hæringsstöðum í Svarfa d.1969}

	^{S Árnadóttir}^{b. d.}		^{Stefán Guðmundsson}^{b.1892 Hólas, Skagafjarðarsýsla d.1976}

		^{Bergþóra Stefánsdóttir}^{b.1920 Hrafnhól í Hjalta, Iceland d.2007}	^{Sigurlína Þórðardóttir}^{b.1893 d.1950}