Col-Ralph Chenevix-Trench, b: 1885 -

^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}

^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}

^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}


			^{Rev-Richard Chenevix-Trench}^{b.1807 d.1886}

		^{Col-Charles Chenevix-Trench}^{b.1839 d.1933}	^{Hon-Frances Mary Trench}^{b. d.1890}

^{Capt-J G. Chenevix-Trench}^{b. d.}	^{Col-Ralph Chenevix-Trench}^{b.1885 d.1974}		^{Gen-Sir-John Henry Lefroy}^{b. d.}

^{Lt-Maxwell Chenevix-Trench}^{b.1921 d.1943 Killed in action.}		^{Emily Mary Lefroy}^{b. d.1919}

^{Philip Roger Chenevix-Trench}^{b.1924 d.1924}

^{S M Chenevix-Trench}^{b. d.}		^{Rev-Dr-George Edward Jelf}^{b. d.}

	^{Meriel Edith Jelf}^{b. d.1985}