Helen Isabelle Clarke, b: 1945

^{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}




	^{Wayne Hamilton Astill}^{b. Private d.}



^{Gregory Wayne Astill}^{b. Private d.}

		^{Charles Clarke}^{b.1909 Brisbane, Australia d.1984 Brisbane, Australia}

	^{Helen Isabelle Clarke}^{b.1945 Brisbane, Qld d.1967 Sydney, Nsw, Australia}		^{William Mclintock Miller}^{b.1890 Rapanyup, Australia d.1966 Brisbane, Australia}

		^{Margaret Dorothy Miller}^{b.1918 Rockhampton, Australia d.2003 Kings Langley Nursing H}	^{Doris Emily Pettit}^{b.1895 Duckenfield, Australia d.1992 Brisbane, Australia}