Based on the information we know, Sts Nereus and Achilleus were 2nd Century martyrs. These Praetorian soldiers of the Roman army converted themselves to Christianity and professed their faith in Jesus Christ. They were later exiled to the island of Terracina where they were to be martyred.
Fr. Anthony Casamento
Fr Anthony is a priest of the Congregation of St Michael the Archangel, and is currently the Director of Identity and Mission at the Australian Catholic University.