John Peter Derr, b: 1788

^{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}

^{1776 Declaration of Independence}
^{1789 George Washington first president}
^{1803 Louisiana Territory Purchased}
^{1805 Lewis and Clark reach Pacific}
^{1812 - 1814 War of 1812 with Britain}

^{1735 Freedom of press established}
^{1740 Colony population = 1.5 million}
^{1754 - 1763 Anglo-French War}
^{1773 Boston Tea Party tax rebellion}
^{1775 - 1783 Revolutionary War}


^Sarah Derr^{b.1814 ? d.1878 Lycoming Co., Pa.}

^Peter Derr^{b.1815 d.1889 Lycoming Co., Pa.}		^{John P. Derr}^{b. Germany d. Lycoming Co., Pa.}

^Daniel Derr^{b.1816 ? d. Lycoming Co., Pa.}	^{John Peter Derr}^{b.1788 ? d.1866 Lycoming Co., Pa.}

^{Catherine Derr}^{b.1817 ? d. ?}

^{Andrew J. Derr}^{b.1821 ? d.1863 Lycoming Co., Pa.}			^{Barrnt (Barnett) Barkelow}^{b.1730 New York d.1805 Lycoming Co., Pa.}

^{John P. Derr}^{b.1822 ? d.1844 Lycoming Co., Pa}		^{Cornelius Bartlow}^{b.1760 ? d.1833 Lycoming Co., Pa.}

^Jane Derr^{b.1826 ? d.1902 Hughesville, Pa.}	^Ann Bartlow^{b.1793 ? d.1882 Lycoming Co., Pa.}		^John Shamp^{b. ? d. ?}

^Martha Derr^{b.1830 ? d.1892 ?}		^{Catherine Jane Shamp}^{b.1770 ? d.1839 Lycoming Co., Pa.}

^Lavina Derr^{b.1833 ? d.1892 Lycoming Co., Pa.}

^{Charles Derr}^{b.1837 ? d.1892 Lycoming Co., Pa.}