Irenaeus was a Bishop of Lyon in what today ... They didn't honor the law that God gave in the Hebrew Bible, and in fact that does seem to be the case with some of these so-called heretics.

It is certain that, while still very young, Irenaeus had seen and heard the holy Bishop Polycarp (d. 155) at Smyrna. During the persecution of Marcus Aurelius, Irenaeus was a priest of the Church ...