Pietro Aldobrandini

Pietro Aldobrandini (31 March 1571 – 10 February 1621) was an Italian cardinal and patron of the arts.
Biography.
He was made a cardinal in 1593 by his uncle, Pope Clement VIII. He took over the duchy of Ferrara in 1598 when it fell to the Papal States. 
On 17 Oct 1604, he was consecrated bishop by Pope Clement VIII, with François-Marie Tarugi, Archbishop of Siena, Alessandro Ottaviano de' Medici, Cardinal-Bishop of Palestrina, and Ottavio Bandini, Archbishop of Fermo, serving as co-consecrators.
He became archbishop of Ravenna in 1604.
He bought the Palazzo Doria Pamphilj, and spent large sums on this and other buildings such as the Villa Aldobrandini. He was a patron of Torquato Tasso, and of Girolamo Frescobaldi.