Hans Bielschowsky, b: 1890 - Ratibor, Poland

^{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}


			^{Marcus Bielschowsky}^{b.1817 d.1904 Berlin, Germany}

		^{Simon Bielschowsky}^{b.1853 d.1933 Ratibor, Katowice, Poland}	^{Rosalie Loewenthal}^{b.1821 d.1902 Berlin, Germany}

	^{Hans Bielschowsky}^{b.1890 Ratibor, Katowice, Poland d.}

^{Ursula Ruth Bielschowsky}^{b.1923 Berlin, Germany d.}		^{Betty Landsberg}^{b.1862 d.1929 Ratibor, Katowice, Poland}

^{Werner Bielschowsky}^{b.1929 Ratibor, Katowice, Poland d. Ratibor, Katowice, Poland}



	^Ilse Luft^{b.1902 d.1985 Jamaica, New York}