Iona Gertrude Vanhoove, b: 1910 -

^{1929 The Great Depression begins}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1898 Spanish-American War}
^{1903 Wright brothers 1st plane flight}
^{1908 Ford produces Model T}
^{1913 Edison invents movies w/sound}
^{1914 - 1918 World War I}

^{1846 War w/Mexico,Calif & NM acquired}
^{1861 - 1865 Civil War, North vs. South}
^{1867 Alaska Territory purchased}
^{1869 Transcontinental Railroad complete}
^{1879 Edison invents phono/light bulb}




^{Floyd G. Greenhaw}^{b. d.}



		^{John William Vanhoove}^{b.1852 Missouri d.1939 Electra, Wichita, Texas}

	^{John William Vanhoove}^{b.1881 Bonham, Fannin, Texas d.1980 Oklahoma City, Oklahoma}	^{Elizabeth Traylor}^{b.1851 Murfreesboro, Tennessee d.1914 Grayson, Texas}

^{Iona Gertrude Vanhoove}^b.1910 d.		^{John Albert Steddum}^{b.1838 San Augustine, Texas d.1891 Fannin, Texas}

	^{Arnettie A. Steddum}^{b.1884 Bonham, Fannin, Texas d.1922 Oklahoma City, Oklahoma}	^{Mary Alice Armstrong}^{b.1855 Missouri d.1923 Oklahoma City, Oklahoma}