Ian James Frost, b: 1956 - 21 Carson Mount, Gleadless

^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}
^{1991 Break-up of the Soviet Union}

^{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 - 1918 World War I}


			^{William Frost}^{b.1886 Sheffield, England d.1959 Sheffield, England}

		^James Frost^{b.1927 Sheffield, England d.1998 Sheffield, England}	^{Margaret Ann Coulbeck}^{b.1886 Attercliffe, England d.}

	^{Ian James Frost}^{b.1956 21 Carson Mo, Gleadless d.}		^{Henry Braithwaite}^{b.1903 Sheffield, England d.1975 Northern Genera, Sheffield}

^{Louise Melanie Frost}^{b.1978 Sheffield, England d.}		^{Jean Braithwaite}^{b.1932 Sheffield, England d.2007 Weston-super-, England}	^{Gladys Stratford}^{b.1909 40 Abney Stree, Sheffield d.2000 Warren Park Nursing Hom}

^{Nicola Jayne Frost}^{b.1980 Sheffield, England d.}

^{Jamie Ian Frost}^{b.1984 Sheffield, England d.}		^{Unknown Martyn}^{b. d.}

	^{Michelle Jayne Martyn}^{b.1960 Sheffield, England d.}

		^{Unknown Mitchell}^{b. d.}