The Pope died in 1559 , and the new pontiff , Pope Pius IV , rehabilitated d'Este and restored his title as governor of Tivoli .
In September 1555 , however , he was accused of simony by Pope Paul IV and exiled .
The Pope died in 1559 , and the new pontiff , Pope Pius IV , rehabilitated d'Este and restored Paul IV 's title as governor of Tivoli .
In September 1555 , however , he was accused of simony by Pope Paul IV and exiled .