Franz David Bielschowsky, b: 1902 -

^{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}


		^{Eduard Bielschowsky}^{b.1840 d.1910 Breslau, Poland}

	^{Max Bielschowsky}^{b.1869 Breslau, Poland d.1940 London, United Kingdom}	^{Natalie Lion}^{b.1839 d.1918 Breslau, Poland}

^{Franz David Bielschowsky}^{b.1902 d.1965, New Zealand}

	^{Else Schlesinger}^{b.1878 d.1947 London, United Kingdom}





^{Marianne Bielschowsky}^{b. d.1977, New Zealand}