Harold Wilton Grey, b: 1909 -

^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}

^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}

^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}




^Grey^{b. d.}	^{Harold Wilton Grey}^{b.1909 d.1939}

^Grey^{b. d.}

^{Kenneth Wilton Grey}^{b.1936 d.1942}			^{Giles Gudge Garnaut}^{b.1846 d.1916}

^Grey^{b. d.}		^{George Bertram Garnaut}^{b.1881 d.1949}	^{Ruth Duffield}^{b.1856 d.1935}

	^{Doris Emily Garnaut}^{b.1908 d.1970}

		^{Emily Bishop}^{b.1887 d.1911}