Frederick Arthur Slack, b: -

^{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 - 1919 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}


			^John Slack^{b.1828 d.1911 Saltergate}

		^{John Walter Slack}^{b.1861 d.1941 Staveley}	^Jane Turner^{b.1828 d.1904}

	^{Frederick Arthur Slack}^{b. d.}

		^{Mary Ann Taylor}^{b.1860 d.1946 Staverly}

^{Unknown Slack}^{b. d.}



	^{Kathleen Whiteley}^{b. d.}

^{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 - 1919 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}




			^Henry Mason^{b.1840 d.1933}

	^{Charles Mason}^{b.1865 d.1947}

	^John Mason^b.1863 d.

^{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 - 1919 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}


			^Henry Mason^{b.1840 d.1933}

		^{Charles Mason}^{b.1865 d.1947}

	^{William Frederick Mason}^{b. d.}		^John Slack^{b.1828 d.1911 Saltergate}

^{John Michael Mason}^b.1932 d.		^{Clara Emma Slack}^{b.1871 d.1947 Chesterfield}	^Jane Turner^{b.1828 d.1904}

^? Mason^{b. d.}

^? Mason^{b. d.}

	^{Winifred Marjorie Smith}^{b. d.}

^{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 - 1919 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}


			^Henry Mason^{b.1840 d.1933}

		^{Charles Mason}^{b.1865 d.1947}

	^{Alan V Mason}^{b.1910 Chesterfield d.}		^John Slack^{b.1828 d.1911 Saltergate}

^{Valerie Mason}^b.1943 d.		^{Clara Emma Slack}^{b.1871 d.1947 Chesterfield}	^Jane Turner^{b.1828 d.1904}

^Roger Mason^b.1940 d.

^{Elizabeth Mason}^{b. d.}

	^{Marian Bryant}^{b. d.}

^{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 - 1919 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}


			^{Rowland Slack}^{b.1863 Mansfield d.1936 32 Compton, Chesterfield}

		^{Sidney Rowland Slack}^{b.1891 d.1956 Radstock, Bath}	^Mary Parker^{b.1859 Aylesbury d.1940 Chesterfield}

	^{John Ewart Rowland Slack}^{b.1930 d.1974}

		^{Christabel Badman}^{b.1890 d.1966 Radstock}

^Jane Slack^b.1947 d.



	^Christine^{b. d.}