Sebastiano Festa (ca. 1495 – 31 July 1524) was an Italian composer of the Renaissance, active mainly in Rome. While his musical output was small, he was one of the earliest composers of madrigals, and was influential on other early composers of madrigals, such as Philippe Verdelot.
Sebastiano Timpanaro (September 5, 1923 in Parma – November 26, 2000 in Florence) was an Italian classical philologist, essayist, and literary critic. He was also a long-time Marxist who made important contributions to left-wing political causes. He was an atheist.
Sebastiano del Piombo (c. 1485 – 21 June 1547) was an Italian painter of the High Renaissance and early Mannerist periods famous as the only major artist of the period to combine the colouring of the Venetian school in which he was trained with the monumental forms of the Roman school.
https://en.wiktionary.org/wiki/Sebastiano [noted -ed]