Rosa Lemker, b: -

^{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}




^{George Jansen}^{b. d.}



		^{Bernard Heinrich Lemker}^{b.1839 SALZBERGE, GERMANY d.1929 MARSHALL, IOWA.USA}

	^{Henery Bernard Lemker}^{b.1873 MARSHALL, IOWA.USA d.1950 MARSHALL, IOWA.USA}	^{Mary Theresa Welp}^{b.1847 JO DAVIE, ILLINOIS.USA d.1910 MARSHALL, IOWA.USA}

^Rosa Lemker^{b. d.}		^{Clement Drummer}^{b.1833 LINGEN, GERMANY d.1881 Menominee, Illinois USA}

	^{Anna C. Drummer}^{b.1875 JO DAVIE, ILLINOIS.USA d.1953 MARSHALL, IOWA.USA}	^{Theresa Hardie}^{b.1838 LINGEN, GERMANY d.1916}