Helene Bielschowsky, b: 1877 -

^{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}




	^{Walter Stein}^b.1868 d.

^Ernst Stein^b.1901 d.

^Hans Stein^b.1903 d.			^{Seelig Bielschowsky}^{b.1811 d.1895 Namslau, Opole, Poland}

		^{Benno Bielschowsky}^{b.1841 d.1908 Breslau, Poland}	^{Rosalie Schweitzer}^{b.1812 d.1893 Namslau, Opole, Poland}

	^{Helene Bielschowsky}^b.1877 d.

		^{Meta Holländer}^{b.1848 d.1928 Breslau, Poland}