Dorothea Elizabeth Sebo, b: 1882 - Victoria, Australia

^{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}



		^{Christopher Armstrong}^{b.1823 United Kingdom d.}

^{Maxwell Armstrong}^{b.1900 d.1973}	^{Scott Armstrong}^{b.1865 Rockin, Western Australia d.1948 Western Australia}

^{Alexander Patrick Scott Armstrong}^{b. Private d.}		^Mary Cooper^b.1832 d.

^{Maitland Armstrong}^{b. Private d.}

^{Charles Armstrong}^{b. Private d.}

^{Jessie Armstrong}^{b. Private d.}	^{Dorothea Elizabeth Sebo}^{b.1882 Victoria, Australia d.1956 Gosnel, Western Australia}

^{Jean Armstrong}^{b. Private d.}

^{Warwick Armstrong}^{b. Private d.}