Avon Roy Mitchell Rowland, b: -

^{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}


			^{Michael Johnson Rowland}^{b.1839 Peninsula d.1916}

		^{Frederick Charles Rowland}^{b.1871 Perth, Western Australia d.1954}	^{Rebecca Owen}^{b.1844 d.1932}

	^{Avon Roy Mitchell Rowland}^{b. d.1980 Denmark Hospit, Australia}

^{Brett Rowland}^{b. d.}		^{Sophia Mitchell}^{b.1872 d.1925 Donga, Western Australia}	^Sophia Dent^b.1829 d.

^{Lois Rowland}^{b. d.}

^{Diane Rowland}^{b. d.}

	^{Elizabeth Jackson}^{b. d.}