Käthe Friedländer, b: 1886 -

^{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}




	^Georg Lamm^{b.1877 d.1923 Breslau, Poland}

^Ernst Lamm^b.1911 d.

^Kurt Lamm^b.1913 d.

^Ilse Lamm^b.1920 d.		^{Ernst Friedländer}^{b.1853 d.1896 Breslau, Poland}

	^{Käthe Friedländer}^b.1886 d.		^{Moritz Forell}^{b.1831 d.1874 Breslau, Poland}

		^Rosa Forell^{b.1864 d.1926 Breslau, Poland}	^{Auguste Bielschowsky}^{b.1839 d.1923 Breslau, Poland}