Vilhjálmur Guðmundsson, b: 1912 - Harastöðum í Miðdalshr. Dalasýslu,

^{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}

^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}


			^{Gísli Arason}^{b.1839 Fagran, Skagafjarðarsýsla d.1910}

		^{Guðmundur Ari Gíslason}^{b.1880 Reinistaðas Skagafj d.1956}	^{Sigurlaug Jónsdóttir}^{b.1842 Glaum, Skagafjarðarsýsla d.1887}

^{P Vilhjálmsson}^{b. d.}	^{Vilhjálmur Guðmundsson}^{b.1912 Harastöðum í Miðdalshr d.1971}		^{Gísli Guðlaugsson}^{b.1850 Undirfel, Húnavatnssýsla d.1906}

^{S Vilhjálmsdóttir}^{b. d.}		^{Sigríður Helga Gísladóttir}^{b.1891 Undirfel, Húnavatnssýsla d.1970}	^{Guðrún Sigurrós Þorsteinsdóttir}^{b.1870 Auðun, Húnavatnssýsla d.1953}

^{J Vilhjálmsdóttir}^{b. d.}

^{J S Vilhjálmsson}^{b. d.}

	^{Ásgerður Pétursdóttir}^{b.1919 Stykkishólmi d.}