William Thomas Le Poer Trench, b: 1803 - 3rd. Earl of Clancarty,

^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}

^{1789 French Revolution begins}
^{1798 Irish revolt against English rule}
^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}

^{1740 War of Austrian Succession begins}
^{1762 Catherine II becomes Czarina/Russia}
^{1770 Cook discovers New South Wales}
^{1776 America declares independence}
^{1789 Geo. Washington 1st USA president}


			^{William Power Keating Trench}^{b.1741 1st. Earl of Clancarty d.1805}

		^{Richard le Poer Trench}^{b.1767 2nd. Earl Clancarty d.1837}	^{Anne Gardiner}^{b.1746 d.1829}

^{Lady-Anne Le Poer Trench}^{b. d.1924}	^{William Thomas Le Poer Trench}^{b.1803 3rd. Earl of Clancarty d.1872}		^{Rt-Hon-John Staples}^{b. d.}

^{Richard S. Le Poer Trench}^b.1834 d.		^{Henrietta Margaret Staples}^{b. d.1847}	^Ann Conolly^{b. d.}

^{Major-Hon-F. Le Poer Trench}^b.1835 d.

^{Col-William le Poer Trench}^b.1837 d.		^{Somerset Richard Butler}^{b. 3rd.Earl of Carrick d.}

^{Power Henry le Poer Trench}^b.1841 d.	^{Lady Sarah Juliana Butler}^{b. d.}

		^Anne Wynne^{b. d.}