Percival Sydney Sanderson, b: 1914

^{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}


			^{Thomas William Sanderson}^{b.1855 Lillys Place, England d.1932 Hull, E.Yorkshire, England}

		^{Albert Sanderson}^{b.1888 West Sculcoates, England d.1918 Worms, Germany}	^{Eleanor Hannah Clappison}^{b.1858 Hull, E.Yorkshire, England d.1937 16 Epping Terra, England}

^{Rita Sanderson}^{b. d.}	^{Percival Sydney Sanderson}^{b.1914 Hull, E.Yorkshire, England d.1987 Hull, E.Yorkshire, England}		^{William Thomas Lewis}^{b.1860 Myton, England d.}

^{Jeffery Sanderson}^{b.1938 Hull, E.Yorkshire, England d.1980 Hull, E.Yorkshire, England}		^{Frances Gertrude Lewis}^{b.1888 Sculcoates, England d.1959 Hull, E.Yorkshire, England}	^{Mary Elizabeth Fieldsend}^{b.1859 Lincoln, England d.}

^{Judith Sanderson}^{b. d.}			^Alfred Kay^{b.1852 Hull, E.Yorkshire, England d.}

^{Dennis Sanderson}^{b. d.}		^{George William Kay}^{b.1888 Hull, E.Yorkshire, England d.1961 Hull, E.Yorkshire, England}	^{Frances Dawkins}^{b.1854 Hull, E.Yorkshire, England d.}

^{Paul Alan Sanderson}^{b. d.}	^{Muriel Fanny Kay}^{b.1916 East Sculcoates, England d.1986 Hull, E.Yorkshire, England}		^{Thomas Fitzgerald}^{b.1853 Malton, England d.1901 Hull, E.Yorkshire, England}

		^{Eliza Fitzgerald}^{b.1887 Hull, E.Yorkshire, England d.1966 Hull, E.Yorkshire, England}	^{Catherine McGrail}^{b.1854 Myton, England d.1915 West Sculcoates, England}