Romano Bonaventura (died 20 February 1243), also listed as Romano Papareschi, which strongly suggests that he came from the Roman family, probably of the rione Trastevere, that produced Gregorio Papareschi (died 1143), Pope Innocent II, was a Catholic Christian prelate, Cardinal deacon of Sant'Angelo in Pescheria (1216-1234), bishop of Porto-Santa Rufina (1231-1243), a cardinal-legate to the court of France and a Cardinal whose titulus was Sant'Angelo. He was archpriest of the Basilica di Santa Maria Maggiore (1220-1243). He took part in the Papal election, 1216, the Papal election, 1227, and the Papal election, 1241, at which Romano, who was known to wish to continue Gregory IX's hostility towards Frederick II, Holy Roman Emperor, who surrounded Rome with his armies, blocking the arrival