Barberini, Francesco an Italian prelate, nephew of Urban VIII, was born in Florence, Sept. 23, 1597. He was sent as legate by his uncle to France and Spain, and was afterwards vice-chancellor and librarian of the Vatican, bishop of.Sabina, later of Porto, and finally of Ostia, and likewise cardinal. He had to leave Rome on the accession of Innocent X, but was permitted to return, and became deanof the sacred college. He died Dec. 10, 1679. He was learned in the languages, translated the twelve books of Marcus Aurelius from the Greek, and prepared a catalogue of the papal library. See Biog. Univ., s.v.