Lady-Harriet C. G. Osbourne, b: 1867

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}

^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}



		^{Lt.Col. William F. Cavendish}^{b. d.}

^{Emily Georgiana H. Cavendish}^b.1890 d.	^{Capt-Henry F. C. Cavendish}^{b.1854 Ayot St.Lawrence, Herts. d.1928}

^{Evelyn Alice Beatrix Cavendish}^b.1892 d.		^{Lady Emily Lambton}^{b. d.}

^{Cmdr-Henry James F. Cavendish}^{b.1893 d.1956}			^{George Godolphin Osbourne}^{b. 8th Duke of Leeds d.}

^{Lt.Cmdr-George S. G. Cavendish}^b.1895 d.		^{George Godolphin Osbourne}^{b.1828 9th Duke of Leeds d.1895}	^{Harriet Emma Arundal Stewart}^{b. d.}

	^{Lady-Harriet C. G. Osbourne}^{b.1867 Farnham Royal, Yks. d.1922}

		^{Hon-Frances Georgiana Pitt-Rivers}^{b.1836 d.1896}