John Harris Lenker, b: 1892 -

^{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}




^{Dean Whitcomb Lenker}^{b.1915 d.1996}	^{John Harris Lenker}^{b.1892 d.1974}

^{Fairvan C. Lenker}^{b.1918 d.1974}

^{Myra B. Lenker}^b.1919 d.			^{Cornelius Lenker}^{b.1847 d.1906 ,}

^{Rema Mildred Lenker}^b.1923 d.		^{Jeremiah Witmer Lenker}^{b.1868 , d.1943 Lower Mahanoy Townshi}	^{Rebecca Witmer}^{b.1848 , d.1933 ,}

^{Doyle Wadsworth Lenker}^b.1926 d.	^{Nora Irene Lenker}^{b.1894 d.1980}

^{Resta G. Lenker}^b.1930 d.		^{Eva Jeanette Spotts}^{b.1870 Lower Mahanoy Townshi d.1945}

^{Nancy Eva Lenker}^b.1934 d.