 Several of the early church fathers mentioned this group, including Irenaeus, Hippolytus, Epiphanius, and Theodoret, stating that deacon Nicolas was the author of the heresy and the sect.The New Testament mentions the Nicolaites in the second chapter of the Book of Revelation.The last Western Church Father was Isidore of Seville, who finished the "Etymologies", or the "Origins", in the year 636 A.D.