Wilhelm Bielschowsky, b: 1864 -

^{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}

^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}


			^{Jacob Louis Bielschowsky}^{b.1805 d.1892 Oels, Wroclaw, Poland}

		^{Alexander Bielschowsky}^{b.1836 d.1904}	^{Henriette Ehrlich}^{b. Wodzislaw Slaski, Poland d.1891 Oels, Wroclaw, Poland}

	^{Wilhelm Bielschowsky}^{b.1864 d.1947 London, United Kingdom}

		^{Dorothea Haase}^{b.1842 d.1930}

^{Jula Bielschowsky}^b.1898 d.

		^Leon Thom^{b. d.}

	^{Rudolphine Thom}^{b.1872 d.1943 London, United Kingdom}

		^{Babette Landesberg}^{b. d.}