Mary Ann Zachrey, b: 1803 - Howden, England

^{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}


			^{Robert Alcock}^{b.1750 Howden, England d.}

		^{Matthew Alcock}^{b.1773 Howden, England d.}	^Ann Dean^{b. d.}

^{Mary Ann Alcock}^{b.1833 Howden, England d.}	^{Joseph Alcock}^{b.1804 Howden, England d.}

^{Henry Dennis Alcock}^{b.1835 Howden, England d.}		^{Alice Johnson}^{b.1775 Airmyn, England d.}

^{Alice Alcock}^{b.1837 Howden, England d.}

^{George Alcock}^{b.1838 Howden, England d.}		^{William Zachray}^{b. d.}

^{Ellen Alcock}^{b.1840 Howden, England d.}	^{Mary Ann Zachrey}^{b.1803 Howden, England d.}

		^{Mary Whitfield}^{b. d.}