Henry Atkinson, b: 1886 - Markington, 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}


^{C H Atkenson}^{b. Private d.}

^{S G Atkinson}^{b. Private d.}		^{Tom Atkinson}^{b.1865 d.1937}

^{M W Atkinson}^{b. Private d.}	^{Henry Atkinson}^{b.1886 Markington, England d.1939 Queensland, Australia}		^{Charles Seaman}^{b.1829 Otley, Yorkshire, England d.1866 North Street, England}

^{A M Atkinson}^{b. Private d.}		^{Ellen Seaman}^{b.1865 Ripon, Yorkshire, England d.1930 Proserpine, Australia}	^{Mary Ann Clark}^{b.1835 Ripon, Yorkshire, England d.1878 Ripon, Yorkshire, England}

^{E D Atkinson}^{b. Private d.}

^{D J Atkinson}^{b. Private d.}

^{T E Atkinson}^{b. Private d.}	^{Martha Theresa Ruge}^{b.1890 Queensland, Australia d.1959 Queensland, Australia}

^{M R Atkinson}^{b. Private d.}

^{W R Atkinson}^{b. Private d.}