William Woodward Sadleir, b: 1803

^{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}


^{Isabel Sadleir}^{b.1829 Cannonstown, Ireland d.1871}			^{Thomas Sadleir}^{b.1753 Castletown, Ireland d.1815 Sea Park-Malahid, Ireland}

^{Thomas Rothwell Sadleir}^{b.1830 Cannonstown, Ireland d.1863, India}		^{Thomas Sadleir}^{b.1774 Castletown, Ireland d.1842}	^{Rebecca Woodward}^{b.1752 Clough Prior, Ireland d.1792}

^{John Martley Sadleir}^{b.1835 Cannonstown, Ireland d.}	^{William Woodward Sadleir}^{b.1803 Castletown, Ireland d.}

^{Francis John Sadleir}^{b.1837 Cannonstown, Ireland d.1849}		^{Margaret Watson}^{b.1774 Brook Watson, Ireland d.1817}

^{Richard Willoughby Sadleir}^{b.1839 Cannonstown, Ireland d.1874, India}

^{Eliza Henrietta Sadleir}^{b.1840 Cannonstown, Ireland d.}		^{John Rothwell}^{b. d.}

^{William Martley Sadleir}^{b.1843 Cannonstown, Ireland d.1926 Carr Villa - Lau, Australia}	^{Eliza Isabella Rothwell}^{b.1800 Cannonstown, Ireland d.}

^{Godfrey Featherstonehaugh Sadleir}^{b.1845 Cannonstown, Ireland d.1874}

^{Arthur Prendergast Sadleir}^{b.1847 Cannonstown, Ireland d.1868}