Kenneth Hale Duncan, b: 1913

^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on the moon}

^{1903 Wright brothers 1st plane flight}
^{1908 Ford produces Model T}
^{1913 Edison invents movies w/sound}
^{1914 - 1918 World War I}
^{1929 The Great Depression begins}

^{1861 - 1865 Civil War, North vs. South}
^{1867 Alaska Territory purchased}
^{1869 Transcontinental Railroad complete}
^{1879 Edison invents phono/light bulb}
^{1898 Spanish-American War}


			^{William Frank Duncan}^{b.1855 South Carolina d.1930 MISSISSIPPI}

		^{George Fletcher Duncan}^{b.1883 Kasciusko, Mississippi d.1957 Iberis, Texas}	^{Elva Charlotte Clark}^{b.1861 MISSISSIPPI d.1888 MISSISSIPPI}

	^{Kenneth Hale Duncan}^{b.1913 Dallas, Texas d.1976 Abilene, Texas}		^{James Robert Trammell}^{b.1863 Calhoun Co., Alabama d.1957 Iberis, Texas}

		^{Era Iola Trammell}^{b.1889 Talladega Co., Alabama d.1966 Abilene, Texas}	^{Martha Emma Nall}^{b.1868 Buckhorn, Georgia d.1944 Iberis, Texas}

^{Kenneth Michael (Mike) Duncan}^{b.1946 Abilene, Texas d.2009 Austin, Texas}

		^{Claude James Wright}^{b.1889 Texas d.1967 Buffalo Gap, Texas}

	^{Doris Claudine Wright}^{b.1912 Callahan Co., Texas d.1990 Austin, Texas}

		^{Lella Gertrude Brown}^{b.1892 Buffalo Gap, Texas d.1953 Buffalo Gap, Texas}