Costantino Bonelli

Costantino Bonelli (1525-1572) was a notable figure in the Counter-Reformation, serving as the Bishop of Città di Castello from 1560 and playing a significant role in the religious developments of his time. He participated in the Council of Trent and was a close friend and correspondent of the influential Cardinal Carlo Borromeo, contributing to the reform efforts of the Catholic Church during a pivotal period in European history.