Benedetto Barberini was appointed 20 April 1856 and his term ended 10 May 1863, the successor was Antonio Tosti (4 October 1776  20 March 1866)
Benedetto Barberini (22 October 1788  10 April 1863) was a Catholic Cardinal and Camerlengo of the Sacred College of Cardinals. 20 April 1856 Antonio Tosti Antonio Tosti (4 October 1776  20 March 1866) was Catholic Cardinal-Priest of San Pietro in Montorio in Rome and later Camerlengo of the Sacred College of Cardinals and Librarian of the Vatican Library. 10 April 1863 
