Mary Elizabeth Adam, b: 1844 -

^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}

^{1798 Irish revolt against English rule}
^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}

^{1762 Catherine II becomes Czarina/Russia}
^{1770 Cook discovers New South Wales}
^{1776 America declares independence}
^{1789 Geo. Washington 1st USA president}
^{1789 French Revolution begins}


			^{John Duffield}^{b.1776 Exeter D, United Kingdom d.1821 Devonp, United Kingdom}

		^{John Hole Duffield}^{b.1797 United Kingdom d.1859 Frema, Western Australia}	^{Lydia Bidgood}^{b.1775 d.1839 Devonp, United Kingdom}

	^{Charles Hole Duffield}^{b.1823 Plymout, United Kingdom d.1891 Geraldton Western Austra}		^{William Foss}^{b.1753 Devon, United Kingdom d.1817 Devon, United Kingdom}

^{Sydney Guy Duffield}^{b.1883 Geraldton Western Austra d.1952}		^{Charlotte Foss}^{b.1798 Plymouth, Devon, UK d.1865 Frema, Western Australia}	^Mary Lock^{b.1752 UK d.1832 Devon, United Kingdom}

^{Allan Foss Duffield}^{b.1888 Geraldton Western Austra d.1963}

^{Frederick Duffield}^{b.1890 Geraldton Western Austra d.1895}		^{John Roy Adam}^{b.1813 Scotland d.1847 Northam Western Australi}

	^{Mary Elizabeth Adam}^b.1844 d.

		^{Margaret Smith}^{b.1812 d.1883}