 
<translate> Nke a bụ ihe ọmụma dị mkpa: E bu ụzọ zoo aka n'echiche nke mmehie mbụ ahụ na narị afọ nke 2 site n'aka Irenaeus, Bishọp nke Lyon n'arụmụka ya na ụfọdụ ndị Gnostic na-ekwu echiche abụọ. <eng> This is the relevant information: The concept of original sin was first alluded to in the 2nd century by Irenaeus, Bishop of Lyon in his controversy with certain dualist Gnostics. 