Centrel (Santeral) Erdman, b: 1857 -

^{1914 - 1918 World War I}
^{1929 The Great Depression begins}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}

^{1879 Edison invents phono/light bulb}
^{1898 Spanish-American War}
^{1903 Wright brothers 1st plane flight}
^{1908 Ford produces Model T}
^{1913 Edison invents movies w/sound}

^{1812 - 1814 War of 1812 with Britain}
^{1846 War w/Mexico,Calif & NM acquired}
^{1861 - 1865 Civil War, North vs. South}
^{1867 Alaska Territory purchased}
^{1869 Transcontinental Railroad complete}


^{Catherine Bertha Erdman}^{b.1879 , d.1954}

^{Elizabeth Jane Erdman}^{b.1880 d.1959}		^{Abraham Erdman}^{b.1818 Upper , Schuylkill Cty.Pa. d.1881}

^{Hiram Erdman}^{b.1882 d.1983}	^{Centrel (Santeral) Erdman}^{b.1857 d.1935}

^{Ursula May Erdman}^{b.1884 d.1965}		^{Maria (Mary Trautman}^{b.1822 Jordan Township, d.1869 ,}

^{Oliver Ellsworth Erdman}^{b.1886 d.1968}

^{Charles Maurice Erdman}^b.1887 d.

^{William Walter Erdman}^{b.1888 d.1976}	^{Mary Ann Steeley}^{b.1857 d.1908}

^{Harry Leon Erdman}^{b.1890 d.1968}

^{Edwin Franklin Erdman}^{b.1892 d.1973}

^{Maud Clara Erdman}^{b.1894 d.1996}

^Ira Erdman^{b.1897 d.1975}

^{Mary Irene Erdman}^{b.1898 d.1991}