William Arthur Rowland, b: 1869 - Perth, Western Australia

^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}

^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}

^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}


			^{Richard Rowland}^{b.1801 Yorkshire, England d.1883 Donga, Western Australia}

		^{Michael Johnson Rowland}^{b.1839 Peninsula d.1916}	^{Elizabeth Johnson}^{b.1806 d.1892 Donga, Western Australia}

^{William Joseph Rowland}^{b.1890 d.1917}	^{William Arthur Rowland}^{b.1869 Perth, Western Australia d.1942}		^Thomas Owen^{b. d.}

^{George Forrester Rowland}^{b.1892 d.1916}		^{Rebecca Owen}^{b.1844 d.1932}

^{Ada Mary Rowland}^{b.1894 d. Victoria, Australia}

^{Ivy Rachel Rowland}^{b.1896 d.1966}

^{Myrtle Amy Rebecca Rowland}^{b. Private d.}	^{Rachel Joanna Ridley}^b.1870 d.