Question: Which river was close to the city in which Johann Paul Auer born?

Context paragraphs:
Johann Paul Schiffelholz: Johann Paul Schiffelholz (13 March 1685 – 28 January 1758), was a German Baroque composer and an important composer for the variety of baroque lute called colascione, as well as writing the usual trio sonatas, etc., for the violin family of instruments.  He was born in Heideck.

Johann Paul: Johann Paul (born May 5, 1981 in Issoudun, Indre) is a Malagasy football midfielder and a member of the Madagascar national football team, currently playing for French side US Créteil.

Paul Dresser: Paul Dresser (born Johann Paul Dreiser, Jr.; April 22, 1857 – January 30, 1906) was an American singer, songwriter, and comedic actor of the late nineteenth and early twentieth centuries.  In addition to songwriting Dresser performed in traveling minstrel and medicine-wagon shows and as a vaudeville entertainer.  Dresser sold his songs through sheet music publishers, especially the firms in New York City's Tin Pan Alley, and became a partner in the music publishing business.

Johann Paul Auer: Johann Paul Auer, who was born at Nuremberg in 1636, studied from 1654 to 1658 under Georg Christoph Eimmart at Ratisbon.  In 1660 he went to Venice, and there received instructions from Pietro Liberi.  He then went to Rome, where he stayed upwards of four years, and thence through Turin and Lyons to Paris, and so home to Nuremberg in 1670.  He died in 1687.  Auer painted historical, landscape, and genre pictures, besides portraits of many famous personages, for which he was very celebrated.

Paul von Werner: Johann Paul von Werner (11 December 1707 in Raab – 25 January 1785 at Gut Bilschin in the district of Tost) was chief of the Prussian Hussar regiment No. 6 (Brown Hussars); he also received the Prussian Order Pour le Mérite.  Initially in Austrian service, he fought against Spain, France, the Ottoman Empire and against Prussia.  One of Frederick the Great's trusted diplomats, Hans Karl von Winterfeldt, recruited him into Prussian service in 1750; subsequently, he fought for Prussia against the Austrians in the Seven Years' War and the War of Bavarian Succession.  He was wounded once, and taken prisoner several times.  The Prussian playwright Gotthold Lessing modeled the character of the sergeant in his "Minna von Barnhelm" on Werner.

Edward Auer: Edward Auer (born December 7, 1941, New York City) is an American classical pianist.  In 1965, he became the first American to prize in the International Chopin Piano Competition.  Due to his frequent and subsequent touring in Poland, Mr. Auer is recognized worldwide as one of the leading interpreters of Frédéric Chopin.  Auer has also displayed his consummate skill and broad repertoire—from Mozart, Beethoven, Schubert, and Schumann to Rachmaninoff, Ravel, Stravinsky, Shostakovich, and others—while touring the U.S., Europe, and Asia.  He is currently a Professor of Piano at the Jacobs School of Music of Indiana University in Bloomington, Indiana.

Jean Paul: Jean Paul (] ; 21 March 1763 – 14 November 1825), born Johann Paul Friedrich Richter, was a German Romantic writer, best known for his humorous novels and stories.

Paul Egell: Johann Paul Egell (April 9, 1691-Berlin, January 10, 1752) was a German sculptor and plasterer (stucco artist).

Nuremberg: is a city on the river Pegnitz and on the Rhine–Main–Danube Canal in the German state of Bavaria, in the administrative region of Middle Franconia, about 170 km north of Munich.  It is the second-largest city in Bavaria (after Munich), and the largest in Franconia (German: "Franken" ).  s of February 2015 it had a population of 517,498, making it Germany's fourteenth-largest city.  The urban area also includes Fürth, Erlangen and Schwabach, with a total population of .  s of 2016 the "European Metropolitan Area Nuremberg" had approximately 3.5 million inhabitants.

Johann Paul Uhle: Johann Paul Uhle (17 April 1827 – 4 November 1861) was a German physician and pathologist born in Nossen, in the Kingdom of Saxony.  He died of tuberculosis in Jena at the age of 34.

Supporting paragraphs: Johann Paul Auer Nuremberg
Answer: Pegnitz