Mary Ann Phenolif Williams, b: 1878

^{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}



	^{Marshall Duckworth}^{b. d.}

^{Joseph Marshall Duckworth}^{b. Morgan, Illinois d.1913 Geelong, Australia}

	^{Jane Millicent Bowen}^{b. d.}



	^{John Williams}^{b.1836 Cape of Goo, South Africa d.1901 Warragul, Australia}

^{Mary Ann Phenolif Williams}^{b.1878 Marong, Australia d.1963 Sydney, N.S.W., Australia}		^{John George Heyburn McGinnis}^{b.1829 Brighton, Australia d.1889 Bendigo, Vic., Australia}

	^{Ellen McGinnis \ Heyburn}^{b.1859 Eaglehawk, Australia d.1918 Castlemaine, Australia}	^{Johanna Hayes}^{b.1832 Co. Cork, Ireland d.1880 Bendigo, Vic., Australia}