S B Sigurðsson, b: -

^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}

^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}

^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}


			^{Snorri Frímann Stefánsson}^{b.1878 d.1967}

		^{Sigurður Snorrason}^{b.1919 Stóru-Gröf í Staðarhrep d.1998}	^{Jórunn Sigurðardóttir}^{b.1883 Reynis, Skagafjarðarsýsla d.1960}

	^{S B Sigurðsson}^{b. d.}

^{A Þ Snorrason}^{b. d.}		^{Þ Þorbjarnardóttir}^{b. d.}

^{K R Snorradóttir}^{b. d.}

^{Þ Þ Snorradóttir}^{b. d.}

	^{Á Eiríksdóttir}^{b. d.}