Dorothy Prettyjohn, b: 1900 -

^{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}

^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}






	^{Clifton Herbert Severin}^{b.1900 d.1988 Belmo, Western Australia}

^{Adrian Clifton Severin}^{b. Private d.}

^{Dorothy Delys Severin}^{b. Private d.}			^{Henry Prettyjohn}^{b.1809 Hare Hatch, England d.1884 South Australia}

^{John William Keith Severin}^{b. Private d.}		^{Charles Buckley Prettyjohn}^{b.1868 Port Linc, South Australia d.1904 Frema, Western Australia}	^{Rose Bromley}^{b. d.}

	^{Dorothy Prettyjohn}^{b.1900 d.1981}		^{George Touchell}^{b.1842 Greenock, Scotland d.1902 Bould, Western Australia}

		^{Sarah Ruth Touchell}^{b.1871 Trial Hill, South Australia d.1942 Subiac, Western Australia}	^{Charlotte Anne Denton}^{b.1841 Hartwell , United Kingdom d.1915 Frema, Western Australia}