Karl Thomas Mozart was the second son and the elder of the two surviving sons of Wolfgang and Constanze Mozart. The other was Franz Xaver Wolfgang Mozart. Wikipedia
Born: September 21, 1784, Vienna, Austria
Died: October 31, 1858 (age 74 years), Milan, Italy
Parents: Wolfgang Amadeus Mozart and Constanze Mozart
Great-grandparents: Anna Maria Sulzer, Johann Georg Mozart, Wolfgang Nicolaus Pertl, and more