Marion Ellsworth Clarke, b: 1915 -

^{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}



		^{Samuel William Clarke}^{b.1880 , d.1952 ,}

	^{Marion Ellsworth Clarke}^{b.1915 , d.1963}		^{Elmer Ellsworth Cozad}^{b.1862 d.1899 ,}

^{Lawrence Samuel Clarke}^{b.1938 Hickory Township, d.}		^{Mabel Elizabeth Cozad}^{b.1887 Cool Spring Township, d.1959}	^{Willamina Maude Troutman}^{b.1868 d.1936}

^{Marian Catherine Clarke}^b.1939 d.



	^{Sara Kathryn Buckalew}^{b.1917 d.1997}