Franz Xaver Wolfgang Mozart, nephew of Wolfgang Amadeus Mozart and Constanze Mozart, was born on July 26, 1791 and was also known as Wolfgang Amadeus Mozart, Jr.
Franz Xaver Wolfgang Mozart (Wolfgang Amadeus Mozart, Jr.)
(1791-07-26)July 26, 1791
Vienna, Archduchy of Austria, Holy Roman Empire 
Franz Xaver Wolfgang Mozart (26 July 1791  29 July 1844), also known as Wolfgang Amadeus Mozart, Jr., was the youngest child of six born to Wolfgang Amadeus Mozart and his wife Constanze. 
