G K Halldórsson, 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}


			^{Finnur Sveinbjörnsson}^{b.1889 d.1978}

		^{Halldór Finnsson}^{b.1924 d.2001}	^{Halla Halldórsdóttir}^{b.1900 d.1992}

	^{G K Halldórsson}^{b. d.}

^{P Gísladóttir}^{b. d.}		^{P Gísladóttir}^{b. d.}

^{G K Gíslason}^{b. d.}

^F Gíslason^{b. d.}

	^{L B Hannesdóttir}^{b. d.}