Ida Viola Yoder, b: 1892 - Johnson Co., Iowa

^{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}




^{Norman Schrock}^{b.1891 Somerset C, Pennsylvania d.1953 Oxford, Iowa}





	^{Jabob Y. Yoder}^{b.1856 La Grange Co., Indiana d.1913 Wellman, Iowa}

^{Ida Viola Yoder}^{b.1892 Johnson Co., Iowa d.1933 Wellman, Iowa}		^{Joseph Swartzendruber}^{b.1828 Garrett Co., Maryland d.1890 Iowa City, Iowa}

	^{Anna Swartzendruber}^{b.1861 Wellman, Iowa d.1909 Wellman, Iowa}	^{Lydia Kauffman}^{b.1835 Holmes Co., Ohio d.1902 Iowa City, Iowa}