Käthe Bielschowsky, b: 1889

^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}

^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}

^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}




	^{Alfons Orchudesch}^{b.1890 Hamburg, Germany d.1943 Auschwitz, Poland}



^{Heinz Orchudesch}^b.1923 d.			^{Adolf Bielschowsky}^{b.1819 d.1891 Pless, Katowice, Poland}

		^{Fridolin Bielschowsky}^{b.1856 Pless, Katowice, Poland d.1927 Berlin, Germany}	^{Friederike Schiller}^{b.1814 d.1856}

	^{Käthe Bielschowsky}^{b.1889 Berlin, Germany d.1941 Chelmno, Konin, Poland}

		^Martha Roth^{b.1861 d.1926 Berlin, Germany}