 She is presumed to be unrelated to Karol Szymanowski, considered to be the most famous Polish composer of the 20th century.Her professional piano career began in 1815, with performances in England in 1818, a tour of Western Europe 1823–1826, including both public and private performances in Germany, France, England (on multiple occasions), Italy, Belgium and Holland.A number of these performances were given in private for royalty; in England alone during 1824, her performance schedule included concerts at the Royal Philharmonic Society (May 18, 1824), Hanover Square (with members of the royal family present, June 11, 1824), and other performances for several English dukes.