Gabriele Sachs, b: 1901 -

^{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}

^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}




^{Ludwig Franz Roehmann}^{b. d.}



		^Louis Sachs^{b.1820 d.1868 Breslau, Poland}

	^{Bernhard Sachs}^{b.1862 d.1928}	^{Auguste Bielschowsky}^{b.1829 d.1877}

^{Gabriele Sachs}^b.1901 d.		^Max Weigert^{b.1843 d.1906 Breslau, Poland}

	^{Margarethe Weigert}^{b.1873 d.1932 Berlin, Germany}	^{Sophie Mugdan}^{b.1851 d.1927 Breslau, Poland}