Philo of Cilicia
Philo of Cilicia was a second-century deacon who served in Tarsus, he was mentioned by Ignatius of Antioch in his letters to the Epistle of [Ignatius to the Smyrnaeans|Smyrneans] and Philadelphians. He accompanied Ignatius of Antioch during his journey to Rome.
The book Martyrium Ignatii which tells the story of Ignatius' martyrdom, was perhaps written by Philo along with Rheus Agathopus.