May Mabel Tonkin, b: 1877 - Upper Swan, Western Australia

^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}

^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}

^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}



		^{William Lester}^{b. d.}

	^{Bervin George Lester}^{b. d.}

^{Bervin Theodore Reginald Lester}^{b.1900 Bould, Western Australia d.1957 Kalgo, Western Australia}		^Anne Browne^{b. d.}

^{Eric Athol Bert Lester}^{b.1902 Bould, Western Australia d.1966 South , Western Australia}			^{John Foss Tonkin}^{b.1811 Plymout, United Kingdom d.1896 Frema, Western Australia}

		^{Henry William Tonkin}^{b.1842 Upper , Western Australia d.1908 Kalgo, Western Australia}	^{Dinah Edwards}^{b.1818 Coleford, United Kingdom d.1885 Western Australia}

	^{May Mabel Tonkin}^{b.1877 Upper , Western Australia d.1945 Perth Hospital, Australia}

		^Ann Daley^b.1842 d.