Fritz Bielschowsky, b: 1866 - Kattowitz, Poland

^{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}

^{1789 Geo. Washington 1st USA president}
^{1789 French Revolution begins}
^{1798 Irish revolt against English rule}
^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}


			^{Moses Bielschowsky}^{b.1789 d.1868 Wodzislaw Slaski, Poland}

		^{Louis Bielschowsky}^{b.1827 d.1895 Pless, Katowice, Poland}	^{Fanny (Minka Mindel ?)}^{b. d.1868 Katscher, Opole, Poland}

	^{Fritz Bielschowsky}^{b.1866 Kattowitz, Slaskie, Poland d.1901 Duisburg, Germany}		^{Nathan Riesenfeld}^{b. d.}

^Ernst Biehl^{b.1898 Duisburg, Germany d.1977 San Francisco, California}		^{Hanna Riesenfeld}^{b.1825 d.1883 Kattowitz, Slaskie, Poland}

^Anny Biehl^{b.1900 Duisburg, Germany d.1996 San Rafael, California}

		^{Simon Hertzmann}^{b. d.}

	^{Betty Hertzmann}^{b.1866 Krefeld, Germany d.1943 San Francisco, California}

		^{Bertha Schonholz}^{b. d.}