In the controversy with the Orsinis, he was accused of treason by Pope Sixtus IV and was held in Castel Sant'Angelo together with Cardinal Giovanni Colonna.
Paul II had created at least eight cardinals in secret, at least five of whom were alive at the time of the conclave: Pedro Ferriz, Pietro Foscari, Giovanni Battista Savelli, Ferry de Clugny, and Jan Vitez.
Don Giovanni | Giovanni Pierluigi da Palestrina | Giovanni Bellini | Giovanni Riggi | Giovanni Boccaccio | Giovanni Battista Pergolesi | Giovanni Battista Tiepolo | Giovanni Battista Guarini | Giovanni | Giovanni Trapattoni | Giovanni "John the Eagle" Riggi | Giovanni Gabrieli | Leon Battista Alberti | Giovanni Falcone | Villa San Giovanni | San Giovanni in Persiceto | Giovanni Verga | Giovanni van Bronckhorst | Giovanni Tamagno | Giovanni Pacini | Giovanni Battista Pescetti | Giovanni Papini | Giovanni Hidalgo | Giovanni Domenico Cassini | Giovanni de' Medici | Giovanni Bottesini | Giovanni Battista Riccioli | Giovanni Zenatello | Giovanni Visconti | Giovanni Schiaparelli |