Franz Xaver Wolfgang Mozart
Franz Xaver Wolfgang Mozart (July 26, 1791 - July 29, 1844) was a composer and pianist, a son of Wolfgang Amadeus Mozart and sometimes called Wolfgang Amadeus Mozart himself. His father died before his first birthday, but he nevertheless received excellent music instruction, his teachers included Antonio Salieri and Johann Nepomuk Hummel. In the 1820s, Mozart was one of 50 composers to write a Variation on a theme of Antonio Diabelli. He never married or had children.