Pope Stephen IX died in Florence. He was born in Rome, and was a member of the noble Roman family of the Crescenzi. He was a cardinal of the church before he was elected pope in 1057. He was a strong supporter of the Gregorian Reforms, which were designed to reform the church and make it more independent from secular authorities.
Unveiling Pope Stephen IX: A Quiz on the Illustrious Leader of the Catholic Church in the 11th Century