John Collingwood Crocker, b: 1898 - Launceston, Australia

^{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}


			^{Henry Crocker}^{b.1833 d.1900}

		^{Joshua Crocker}^{b.1863 Winkleigh, Australia d.1927 Launceston, Australia}	^{Elizabeth Chilcott}^{b.1840 d.1914}

	^{John Collingwood Crocker}^{b.1898 Launceston, Australia d.1938 Launceston, Australia}

^Private^{b. d.}		^{Jane Trevena Williams}^{b.1862 Redruth, England d.1922 Launceston, Australia}

^Private^{b. d.}



	^{Amy Butterworth}^{b.1903, England d.1991}

^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}

^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}

^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}




^Private^{b. d.}



		^{Joshua Crocker}^{b.1863 Winkleigh, Australia d.1927 Launceston, Australia}

	^{John Collingwood Crocker}^{b.1898 Launceston, Australia d.1938 Launceston, Australia}	^{Jane Trevena Williams}^{b.1862 Redruth, England d.1922 Launceston, Australia}

^Private^{b. d.}

	^{Amy Butterworth}^{b.1903, England d.1991}

^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}

^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}

^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}




^Private^{b. d.}



		^{Joshua Crocker}^{b.1863 Winkleigh, Australia d.1927 Launceston, Australia}

	^{John Collingwood Crocker}^{b.1898 Launceston, Australia d.1938 Launceston, Australia}	^{Jane Trevena Williams}^{b.1862 Redruth, England d.1922 Launceston, Australia}

^Private^{b. d.}

	^{Amy Butterworth}^{b.1903, England d.1991}