John COOK, b: 1873 - Elston, Lancs

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}

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




	^John COOK^{b.1873 Elston, Preston, Lancs d. Y/}

^{James Headley COOK}^{b.1897 Thornley, Lancs d. Y/}

^Harold COOK^{b.1903 Thornley, Lancs d. Y/}			^{Mark HAYTHORNTHWAITE}^{b.1823 Alston, Longridge, Lancs d.1863 Preston, Lancs}

^Norman COOK^{b.1908 Thornley, Lancs d.}		^{James HAYTHORNTHWAITE}^{b.1849 Alston, Longridge, Lancs d.1935 Amounderness, Lancs}	^{Alice EDDLESTONE}^{b.1827 Thornley, Lancs d.1863 Preston, Lancs}

	^{Alice HAWTHORNTHWAITE}^{b.1873 Preston, Lancs d. Y/}

		^Ellen ANON^{b.1847 Dilworth, Lancs d.1918 Preston, Lancs}