His patrons were among the most influential people in Rome .
His patrons included members from the Colonna , Borghese , Mattei and Barberini families in Rome as well as Cardinal Federico Borromeo in Milan , Cardinal Carlo de ' Medici in Florence and Duke Ferdinando Gonzaga in Mantua .
His patrons were among the most influential people in Rome and included members from the Colonna , Borghese , Mattei and Barberini families in Rome as well as Cardinal Federico Borromeo in Milan , Cardinal Carlo de ' Medici in Florence and Duke Ferdinando Gonzaga in Mantua .