Marianne Yorke, b:

^{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}



		^{Lt-Gen. Sir Thomas Dallas}^{b. d.}

	^{David Haiburton Dallas}^{b.1800 Fort St.George, India d.1829}

^{Georgiana Mary Dallas}^{b. d.}		^Mary^{b. d.}

^{Thomas Yorke Dallas-Yorke}^{b.1825 Walmsgate, Lincs. d.}			^James Yorke^{b. Stamford. d.1780}

		^{James Whiting Yorke}^{b.1763 Bath & Walmsgate. d.1824 St.Mary's, Stamford.}	^{Mary Ann Whiting}^{b. d.1782}

	^{Marianne Yorke}^{b. Claxby. d.1851}		^{Abraham Sheath}^{b. d.}

		^{Elizabeth Catherine Sheath}^{b. Boston, Lincs. d.}