William Coulson, b: 1886

^{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}


^{Fred Coulson}^{b.1908 Rawcliffe, UK d.}

^{William Coulson}^{b.1910 Rawcliffe, UK d.}		^{George Coulson}^{b.1855 Drax, Yorks d.}

^{Walter Coulson}^{b.1912 Rawcliffe, UK d.}	^{William Coulson}^{b.1886 Drax, Yorks d.1951}		^Unmarried^{b. d.}

^{Donald Coulson}^{b. d.}		^{Georgina Pocklington}^{b.1857 Rawcliffe, Yorks d.}	^{Elizabeth Pocklington}^{b.1835 Rawcliffe, Yorks d.}

^{Dorothy Coulson}^{b. d.}

^{Rhoda Coulson}^{b. d.}

^{Mary Coulson}^{b.1923 Rawcliffe, UK d.1938}	^{Annie Martha Walker}^{b.1886 d.1947}

^{Betty Coulson}^{b. d.}