Mary T. Lemker, b: 1876 - MARSHALL COUNTY, IOWA.USA

^{1908 Ford produces Model T}
^{1913 Edison invents movies w/sound}
^{1914 - 1918 World War I}
^{1929 The Great Depression begins}
^{1939 - 1945 World War II}

^{1867 Alaska Territory purchased}
^{1869 Transcontinental Railroad complete}
^{1879 Edison invents phono/light bulb}
^{1898 Spanish-American War}
^{1903 Wright brothers 1st plane flight}

^{1803 Louisiana Territory Purchased}
^{1805 Lewis and Clark reach Pacific}
^{1812 - 1814 War of 1812 with Britain}
^{1846 War w/Mexico,Calif & NM acquired}
^{1861 - 1865 Civil War, North vs. South}



		^{Gerhard Wessel Kopel}^{b.1848 HANOVER, GERMANY d.1890 MARSHALL, IOWA.USA}

	^{Bernard Gerhard Kopel}^{b.1875 JO DAVIE, ILLINOIS.USA d.1932 MARSHALL, IOWA.USA}		^{Gerhard Joan Puls}^{b.1807 Gellendorf, Germany d.1865 Gellendorf, Germany}

		^{Elizabeth Puls}^{b.1849 Gellendorf, German d. MARSHALL, IOWA.USA}	^{Anna Maria Heitkamp}^{b.1810 Sazlbergen, Germany d.}

^{Leo G. Kopel}^{b. d.}			^{Johann Bernard Jr. Lemker}^{b.1809 SALZBERGE, GERMANY d.1887 MARSHALL, IOWA.USA}

		^{Bernard Heinrich Lemker}^{b.1839 SALZBERGE, GERMANY d.1929 MARSHALL, IOWA.USA}	^{Maria Katharina Vehren}^{b.1799 SALZBERGE, GERMANY d.1870 MARSHALL, IOWA.USA}

	^{Mary T. Lemker}^{b.1876 MARSHALL, IOWA.USA d.1932 MARSHALL, IOWA.USA}		^{Bernard Henry Welp}^{b.1809 HANOVER, GERMANY d.1891}

		^{Mary Theresa Welp}^{b.1847 JO DAVIE, ILLINOIS.USA d.1910 MARSHALL, IOWA.USA}	^{Theresa Kobbe}^{b.1819 HANOVER, GERMANY d.1883}