Cristoforo Guidalotti Ciocchi del Monte
Cristoforo Guidalotti Ciocchi del Monte was born in Arezzo in 1484, the son of Cecco di Cristofano Guidalotti, a patrician of Perugia, and Margherita Ciocchi del Monte. On his mother's side, he was a first cousin of Pope Julius III.
As a young man, he traveled to Rome and studied under his uncle Cardinal Antonio Maria Ciocchi del Monte, becoming a doctor of both laws. Through a preferment from his uncle, he became archpriest of Sant'Angelo in Vado.
On August 21, 1517, he was elected titular Bishop of Bethlehem, a position previously held by his cousin Gaspare Antonio del Monte. He was transferred to the Diocese of Cagli e Pergola on February 10, 1525, and later to the Diocese of Marseille on June 27, 1550. On October 20, 1550, he became titular Patriarch of Alexandria, while retaining the Diocese of Marseille. He resigned the patriarchate sometime before January 8, 1552.
As cardinal, he was a participant in both the papal conclave of April 1555 that elected Pope Marcellus II and the papal conclave of May 1555 that elected Pope Paul IV. He was transferred from the Diocese of Marseille back to the Diocese of Cagli on March 9, 1556. He participated in the papal conclave of 1559 that elected Pope Pius IV.