Walter Frederick Pretyman, b: 1901

^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}

^{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}



	^{Ernest George Pretyman}^b.1859 d.

^{Walter Frederick Pretyman}^{b.1901 S/Ldr, Brazil d.}		^{George Cecil Orlando Bridgeman}^{b.1845 4th. Earl of Bradford d.1915}

	^{Lady-Beatrice A Bridgeman}^{b.1870 Staffs d.1931}	^{Lady-Ida Anabella F Lumley}^{b.1848 Tickhill Castle, Yorks d.1936}





^{Margaret Cunningham}^{b. d.}