[1] His mother was the sister of Cardinal Filippo Sega,[1] and Giovanni Battista Agucchi was his brother.
[1] On April 15, 1592, Pope Clement VIII made him a protonotary apostolic.
[1] In the consistory of June 9, 1604, Pope Clement VIII made him a cardinal priest.
[1] On June 25, 1604, he received the red hat and the titular church of San Pietro in Vincoli.
[1] He participated in the papal conclave of March 1605 that elected Pope Leo XI.