Silas John Rowland, b: 1887 - Dongara, 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}

		^{John Rowland}^{b.1849 Peninsula d.1920}	^{Elizabeth Johnson}^{b.1806 d.1892 Donga, Western Australia}

	^{Silas John Rowland}^{b.1887 Donga, Western Australia d.1917}		^{Joshua Edwards}^{b.1820 Forest Of Dean, UK d.1866 Gingin, Western Australia}

^{Ivo John Rowland}^{b.1912 Donga, Western Australia d.1978 Geraldton Regional Hospit}		^{Amelia Caroline Edwards}^{b.1852 Gingin, Western Australia d.1889 Donga, Western Australia}	^Emma King^{b.1830 Manche, United Kingdom d.1901 Wann, Western Australia}

^{Vivian George Rowland}^{b.1915 Donga, Western Australia d.1980}

		^George Pell^{b. d.}

	^{Gertrude Amelia Pell}^{b.1892 d.1991 Gerald, Western Australia}

		^{Elizabeth Edwards}^{b. d.}