Richard Williamson, b: 1888 - Harrington, England

^{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 Williamson}^{b.1825 Harrington, England d.1879 Harrington, England}

		^{John Williamson}^{b.1858 Harrington, England d.1902 Harrington, England}	^{Isabella Smallwood}^{b.1826 Harrington, England d.1917 West Derby, England}

	^{Richard Williamson}^{b.1888 Harrington, England d.1965}

^{Caroline Williamson}^{b.1922 Harrington, England d.1997}		^{Caroline Jane Edwards}^{b.1862 Harrington, England d.}

^{Martin Williamson}^{b.1924 Harrington, England d.2004}



	^Jane Mayo^{b.1892 Harrington, England d.1971}