Johnson Grice Clark, b: 1882

^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}

^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}

^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}


			^{Robert Grice}^{b.1814 Butterwick By Great Driffie d.}

		^{William Grice}^{b.1850 Butterwick By Great Driffie d.}	^Mary Hansom^{b.1817 Scarborough, England d.}

	^{Johnson Grice Clark}^{b.1882 Westow, England d.1926 Skidby, England}		^{Richard Clarke}^{b.1837 Howsham, England d.1890 Westow, England}

^{Florence Grice Woolfitt}^{b.1904 Driffield, England d.}		^{Mary Ann Clark}^{b.1860 West Ness, England d.1953 Westow, England}	^{Hannah Sonley}^{b.1834 Old Malton, England d.1904 Westow, England}

^Madge Grice^b.1905 d.			^{Richard Woolfitt}^{b.1824 Harmston, England d.1907 Beverley, England}

^{Harold Grice}^{b.1906 Beverley, England d.1976 Hull, E.Yorkshire, England}		^{John William Woolfitt}^{b.1860 Lockington, England d.}	^{Mary Holiday}^{b.1830 Beverley, England d.1868 Beverley, England}

	^{Mary Elizabeth Woolfitt}^{b.1886 Driffield, England d.1967}

		^{Rachel Richardson}^{b.1862 Driffield, England d.1917 Driffield, England}