The designation Four Crowned Martyrs or Four Holy Crowned Ones actually refers to nine individuals venerated as martyrs and saints in the Catholic Church. The nine saints are divided into two groups: Claudius, Castorius, Symphorian (Simpronian), Nicostratus, and Simplicius Severus (or Secundius), Severian(us), Carpophorus (Carpoforus), Victorinus (Victorius, Vittorinus) According...