Margaret Helena Heard, b: 1923 - Warwick Registration District, England

^{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}



	^{Carl Gerischer}^{b.1872 d.1916}

^{Oswald Emil Ramsay}^{b.1914 d.2003}		^{Emil Strohfeldt}^{b.1854, Germany d.}

	^{Clara Strohfeldt}^{b.1877 Berlin, Germany d.1950}	^{Emilie Unknown}^b.1853 d.

		^{Daniel Heard}^{b.1849 Sandford, Devon, England d.1913}

	^{Frederick William Heard}^{b.1885 Leamington, England d.1963}	^{Elizabeth Hammett}^{b.1851 Neopardy or Knowle - Cr d.}

^{Margaret Helena Heard}^{b.1923 Warwick Registration Dist d.2005}		^{Arthur Cooke Treliving}^{b.1852 Lambeth, England d.1937}

	^{Ada Blanche Treliving}^{b.1884 Leamington, England d.1944}	^{Anna Maria Neale}^{b.1855 Banbury, England d.1931}