Robert Arthur Gascoyne Cecil, b: 1830 - Hatfield House, England

^{1861 - 1865 Civil War, North vs. South}
^{1867 Alaska Territory purchased}
^{1869 Transcontinental Railroad complete}
^{1879 Edison invents phono/light bulb}
^{1898 Spanish-American War}

^{1789 George Washington first president}
^{1803 Louisiana Territory Purchased}
^{1805 Lewis and Clark reach Pacific}
^{1812 - 1814 War of 1812 with Britain}
^{1846 War w/Mexico,Calif & NM acquired}

^{1740 Colony population = 1.5 million}
^{1754 - 1763 Anglo-French War}
^{1773 Boston Tea Party tax rebellion}
^{1775 - 1783 Revolutionary War}
^{1776 Declaration of Independence}


			^James Cecil^{b.1748 Hatfield House, England d.1823 Hatfield House, England}

		^{James Cascoyne Cecil}^{b.1791 St George Hanov, England d.1868 Hatfield House, England}	^{Mary Amelia Hill}^{b.1750 Dublin, Ireland d.1835 Hatfield House, England}

^{Beatrix Maud Gascoyne Cecil}^{b.1858 Park Crecent, England d.1950 Buckingham Palace Garde}	^{Robert Arthur Gascoyne Cecil}^{b.1830 Hatfield House, England d.1903 Hatfield House, England}

^{James Edward Gascoyne Cecil}^{b.1861 Park Crecent, England d.1947 London, England}		^{Frances Mary Gascoyne}^{b.1802 Liverpool, England d.1839 Hatfield, England}

^{Fanny Georgina Gascoyne Cecil}^{b.1862 d.1867}

^{Robert Ernest Cecil}^{b.1863 Park Crecent, England d.1936}

^{Edgar Algernon Gascoyne Cecil}^{b.1864 Park Crecent, England d.1958 Tunbridge Wells, England}	^{Georgiana Caroline Alderson}^{b.1827 St Mary Magdal, England d.1899 Hatfield House, England}

^{Hugh Richard Gascoyne Cecil}^{b.1869 Park Crecent, England d.1941}