After the death of Pope Innocent X, he participated in the subsequent conclave.

Pope Innocent X confirmed the appointment on March 3, 1653.

Pope Innocent X issued a revised edition in 1650.

However, because of a misapprehension on the part of Pope Innocent X, he had been made cardinal.

They were commissioned by Pope Innocent X, whose funerary monument was later housed within the church.

Pope Innocent X (1644-55) sent him as nuncio to Naples, where he remained for eight years.

He is reported to have given Pope Innocent X a solid silver writing table.

Pope Innocent X named him to fill the position on December 18, 1645.

In 1649, the conflict ended when Pope Innocent X had the city razed.

On 14 November 1644 Pope Innocent X created him cardinal-deacon.