Ordained in December 1798. Cardinal in Pectore on 20 December 1824, elevated by Pope Leo XII. Cardinal-Priest of Ss Quattro Coronati on 13 March 1826. Participated in the conclave of 1829 that elected Pope Pius VIII. Participated in the conclave of 1830-1831 that elected Pope Gregory XVI. Cardinal-Bishop of Frascati, Italy on 2 October 1837. Prefect of the 28 November 1843. Cardinal-Bishop of Ostia, Italy on 17 June 1844. Dean of the conclave of 1846 that elected Pope Blessed Pius IX.