Isabella HAYTHORNWHITE, b: 1870

^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}

^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}

^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}




^{William Lot PETTIGREW}^{b. d. Y/}



		^{Jacob HAYTHORNWHITE}^{b.1810 Read, Whalley, Lancs d. Y/}

	^{Samuel HAYTHORNWHITE}^{b.1844 Rossendale, Lancs d.1900 Burnley, Lancs}	^{Elizabeth ORMEROD}^{b.1810 Higham, Burnley, Lancs d.1848 Bury, Lancs}

^{Isabella HAYTHORNWHITE}^{b.1870 Burnley, Lancs d. Y/}

	^{Sarah WILSON}^{b.1852 Barrowford, Lancs d.1888 Burnley, Lancs}