In 1581, while studying in Spain, he delivered an oration in commemoration of Anna of Austria, Queen of Spain, printed in Salamanca as Oratio in serenissimae Annae Austriacae Hispanarum et Indiarum reginae funere.[2]
At the death of Philip II of Spain he delivered an Oratio in funere Philippi II, published in Rome in 1599. He was appointed cardinal protector of Flanders, and in 1605 employed the Fleming Philip Rubens as his secretary and librarian.[3]
In failing health, he made his will on 14 June 1607. He died in Rome on 17 May 1608, and was buried in the Lateran Basilica. He was survived by a natural son, Marino.[1] In 1611 his personal library was sold to Giovanni Angelo Altemps.[1]