The Venerable Pope Pius XII, born Eugenio Maria Giuseppe Giovanni Pacelli (March 2, 1876 in Rome, Italy - October 9, 1958 in Castel Gandolfo, Italy), served as the Pope from March 2, 1939 to 1958. Pacelli, who was of noble birth, was a grandson of Marcantonio Pacelli, founder of the Vatican's newspaper, L'Osservatore Romano, a nephew of Ernesto Pacelli, a key financial advisor to Pope Leo XII, and a son of Filippo Pacelli, dean of the Vatican lawyers. His brother, Francesco Pacelli, became a highly regarded attorney, and was created a marchese by Pius XII. Pacelli became a Roman Catholic p…