Tutor and catechist to Saints Cantius, Cantian and Cantianilla of Aquileia. To escape the persecutions of Diocletian, he moved with the family to Aquileia, Italy. However, the authorities there quickly ordered them to sacrifice to idols; they refused. Martyr.
- “Saint Protus of Aquileia“. CatholicSaints.Info. 8 June 2015. Web. 26 April 2017. <>