The Influence of 1 Enoch on Irenaeus
Enochic Traditions in the 2nd Century
Irenaeus of Lyon occupies a unique place in Christian history as both a theologian and author. Mostly active in the late second century, he worked to bring clarity to a faith still developing its identity, and his writings became some of the earliest attempts to organize Christian teaching into a coherent structure. His most well-known work, Against Heresies, addressed the diversity of interpretations that had spread throughout the Mediterranean and helped define what would later be recognized as Christian orthodoxy. His influence was enduring and widely honored and he is considered a saint in Catholic, Anglican, Lutheran, Eastern and Oriental Orthodox, among other traditions, and was recently declared a Doctor of the Catholic Church.1 In his theological work is a significant engagement with apocryphal or pseudepigraphal Jewish literature that helped to shape his view of history, morality, and the origins of evil. Representing the bulk of this influence, 1 Enoch provided him with the background to explain how the divine order was broken and how humanity became entangled in it.
Irenaeus’s use of the traditions in 1 Enoch highlights how closely early Christian writers drew from this specific Jewish interpretive tradition. He adopted its story of the Watchers, heavenly beings who abandoned their expected position, took human wives and fathered hybrid children, and taught forbidden knowledge, as a genuine account of how corruption entered creation. In this narrative, divine rebellion and human wrongdoing are inescapably tied together, and Irenaeus used that connection to explore the persistence of sin and disorder in the world or otherwise treat as a reliable backdrop for theological exploration. His treatment of the Enochic material reflects a trend in the second and third centuries, when many Christian thinkers regarded these stories as historically reliable and theologically meaningful. By drawing from 1 Enoch, Irenaeus placed himself within that extended conversation, using its material to explain how knowledge and power could be misused and how divine justice would eventually restore what rebellion had disordered.
And it came to pass when the population of humans had increased during those times, beautiful and attractive daughters were born to them. And the angels, the children of heaven, saw them and desired them, and said to each other: ‘Come, let us choose wives from among the humans and father children.’ And Semjâzâ, their leader, said to them: ‘I fear that you will not actually agree to do this, and I alone will have to pay the penalty of a great sin.’ And they all replied to him and said: ‘Let us all take an oath, and all bind ourselves with a solemn promise not to abandon this plan but to carry out this act.’ Then they all took an oath together and bound themselves with a solemn promise to do so. (1 Enoch 6:1-5)
... in the flesh of the beloved Christ Jesus, our Lord, and His future manifestation from heaven in the glory of the Father to gather all things in one, and to raise up anew all flesh of the whole human race, in order that to Christ Jesus, our Lord, and God, and Saviour, and King, according to the will of the invisible Father, every knee should bow, of things in heaven, and things in earth, and things under the earth, and that every tongue should confess to Him, and that He should execute just judgment towards all; that He may send spiritual wickednesses, and the angels who transgressed and became apostates, together with the ungodly, and unrighteous, and wicked, and profane among men, into everlasting fire ... (Irenaeus, Against Heresies 1.10)2
Irenaeus shows a clear awareness of the traditions in 1 Enoch as part of the fallen angel tradition, following its narrative logic in describing heavenly beings who abandoned their intended purpose and corrupted both themselves and humanity. In Against Heresies, he echoes the language of 1 Enoch by calling these angels ‘apostate’ and includes them among those destined for final judgment.3 Just as 1 Enoch portrays the Watchers as inevitably bound for punishment because of their rebellion, Irenaeus describes these angels within the same framework of divine justice, now incorporating it into Christian tradition and connecting it with Jesus’ return as the moment when they, along with unrighteous humans, will be judged. Irenaeus here considers their apostacy as part of a real historical narrative which connects naturally to Christian eschatological traditions.
You have created all things, and over all things, You have power: all things are open and visible in Your sight, and You see all things, and nothing can hide from You. You see what Azâzal has done, who has taught all unrighteousness on earth and revealed the eternal secrets that were kept in heaven, which men were eager to learn: And Semjâzâ, to whom You gave authority to lead his companions. And they have gone to the daughters of men on the earth, and have lain with the women, and have defiled themselves, and revealed to them all kinds of sins. (1 Enoch 9:5-8)
With good reason, therefore, and very fittingly, in reference to your rash attempt, has that divine elder and preacher of the truth burst forth in verse against you as follows: Marcus, you former of idols, inspector of portents, Skill’d in consulting the stars, and deep in the black arts of magic, Ever by tricks such as these confirming the doctrines of error, Furnishing signs unto those involved by you in deception, Wonders of power that is utterly severed from God and apostate, Which Satan, your true father, enables you still to accomplish, By means of Azazel, that fallen and yet mighty angel — Thus making you the precursor of his own impious actions. Such are the words of the saintly elder. (Irenaeus, Against Heresies 1.15)4
In Against Heresies, Irenaeus continues his use of 1 Enoch by drawing from the same tradition that saw the fallen angels not only abandoning their position but teaching forbidden knowledge. The narrative describes how these angels revealed metalworking, making weapons, the practice of divination and astrology, and even the use of dyes and makeup. Irenaeus also incorporates the use of Azazel as the power behind these deceptive arts and magical practices, connecting these with the spread of idolatry.5 By linking the transmission of such skills to angelic rebellion, Irenaeus follows the narrative logic and explains how the human pursuit of mastery over the world became intertwined with moral disorder.
His use of the Enochic traditions incorporates the figure of Azazel with what would come to be the orthodox understanding of Satan as the source of deception and false power. At the same time, he follows 1 Enoch with a specific interpretation Leviticus 16, where Azazel is the name associated with the scapegoat sent into the wilderness, bearing the sins of the people. The result is a synthesis that mirrors other ancient reflections on forbidden knowledge, much like the story of Prometheus who brought divine fire to mortals at great cost. For Irenaeus, this continuity between the Enochic story and the Christian understanding of evil offered a way to trace the moral history of the world and how knowledge misused became a significant source of sin and how divine justice would ultimately undo its effects.
Since the Son of God is always one and the same, He gives to those who believe in Him a well of water [springing up] to eternal life, but He causes the unfruitful fig-tree immediately to dry up; and in the days of Noah He justly brought on the deluge for the purpose of extinguishing that most infamous race of men then existent, who could not bring forth fruit to God, since the angels that sinned had commingled with them, and [acted as He did] in order that He might put a check upon the sins of these men, but [that at the same time] He might preserve the archetype, the formation of Adam. (Irenaeus, Against Heresies 4.36)6
Irenaeus continues this same pattern of reading in another section of Against Heresies, where he connects the Enochic story directly to the flood narrative in Genesis. Here, he describes how the ‘angels that sinned’ had joined themselves to human women and produced an ‘infamous race of men,’ language that clearly echoes the 1 Enoch account of the Watchers and their offspring. By blending the biblical and Enochic versions of the story, Irenaeus presents the flood not merely as punishment for human sin and violence but as a necessary act to halt the spread of corruption that began with this union.7 The flood thus serves a dual purpose in his interpretation in that it limits the consequences of angelic rebellion while preserving what he calls the ‘archetype,’ the original human form established in Adam. In doing so, Irenaeus maintains the Enochic idea that the boundary between heaven and earth had been disastrously breached, and that divine judgment was required to restore creation’s intended order.
Before these things, Enoch was hidden, and no one among the children of men knew where he was hidden, where he lived, or what had happened to him. His dealings were with the Watchers, and he spent his days among the holy ones. And I, Enoch, was praising the Lord of majesty and the King of the ages, and lo! the Watchers called me - Enoch the scribe - and said to me: ‘Enoch, you scribe of righteousness, go, tell the Watchers of heaven who have left the high heaven, the holy eternal place, and have defiled themselves with women, and have acted as the children of earth do, and have taken wives for themselves: You have caused great destruction on the earth (1 Enoch 12:1-4)
So also did Noah, pleasing God, although he was uncircumcised, receive the dimensions of the ark, of the world of the second race of men. Enoch, too, pleasing God, without circumcision, discharged the office of God’s legate to the angels although he was a man, and was translated, and is preserved until now as a witness of the just judgment of God, because the angels when they had transgressed fell to the earth for judgment, but the man who pleased God was translated for salvation. Moreover, all the rest of the multitude of those righteous men who lived before Abraham, and of those patriarchs who preceded Moses, were justified independently of the things above mentioned, and without the law of Moses (Irenaeus, Against Heresies 4.16)8
Irenaeus continues his reliance on this narrative by later describing Enoch as God’s ‘legate to the angels,’ a phrase that directly echoes 1 Enoch, where Enoch is sent to deliver a message of judgment to the Watchers. This is his clearest and most unmistakable allusion yet, showing that he was not just passably aware, but that he knew and depended significantly on this material, here describing where Enoch acts as an intermediary between God and the rebellious angels. By appealing to this tradition, Irenaeus uses it in the middle of an argument as an example of someone acting righteously before the covenant with Abraham or the giving of the Torah, an example of how a human could serve as God’s agent and receive divine approval. Enoch’s faithfulness, shown through obedience rather than law or ritual, allows Irenaeus to make an argument about how righteousness was possible apart from circumcision or the Torah. This usage is not merely to highlight an interesting story element or a moral lesson, but a direct and authoritative use of 1 Enoch to underscore what he considers a vital theological truth.
And Azâzal taught men to make swords, knives, shields, and breastplates, and revealed to them the metals of the earth and how to work with them, as well as how to make bracelets, ornaments, and the use antimony, beautifying the eyelids, along with all kinds of precious stones and various dyes. Widespread wickedness arose, and they engaged in fornication, were led astray, and corrupted all their ways. Semjâzâ taught spells and the cutting of roots, Armârôs taught how to break spells, Barâqîjâl taught astrology, Kôkabîal taught about the constellations, Ezêqêal taught about the clouds, Araqiêal taught the signs of the earth, Shamsiêal taught the signs of the sun, and Sariêal taught the course of the moon. And as men died, they cried out, and their cries ascended to heaven. (1 Enoch 8:1-2)
The angels brought as presents to their wives teachings of wickedness, in that they brought them the virtues of roots and herbs, dyeing in colors and cosmetics, the discovery of rare substances, love-potions, aversions, amours, concupiscence, constraints of love, spells of bewitchment, and all sorcery and idolatry hateful to God; by the entry of which things into the world evil extended and spread, while righteousness was diminished and enfeebled. (Irenaeus, The Demonstration of the Apostolic Preaching)9
Irenaeus returns once more to the Enoch narrative, this time in The Demonstration of the Apostolic Preaching, repeating its details nearly verbatim and showing again that he considered it a reliable history of how evil entered the world.10 His description of the angels who took human wives and taught them to use metals, dyes, cosmetics, and charms closely follows 1 Enoch. Like the Greek story of Prometheus, who gave fire and knowledge to humanity against divine command, this tradition portrays revelation without permission as a significant source of human corruption. For Irenaeus, the spread of these teachings explains how sin and idolatry became embedded in human culture and becomes a key point in his overall argument. His use of this material shows how deeply 1 Enoch had shaped early Christian imagination, providing both a moral history of human behavior and a framework for understanding the connection between disobedience, knowledge, and the weakening of righteousness in the world. All of this, for Irenaeus, becomes the engine that drives his literary and theological understanding of how and what Jesus redeems humanity from.
Mares, Courtney “Pope Francis Declares St. Irenaeus ‘Doctor of Unity’” National Catholic Register / CNA, January 21, 2022
VanderKam, James C. The Jewish Apocalyptic Heritage in Early Christianity (p. 66) Fortress Press, 1993
Reed, Annette Yoshiko “Gendering Heavenly Secrets? Women, Angels, and the Problem of Misogyny and Magic” in Stratton, Kimberly B.and Dayna S. Kalleres (eds.) Daughters of Hecate: Women and Magic in Antiquity (pp. 108-151) Oxford University Press, 2014
Longhenry, Ethan R. The 1 Enoch Conundrum (pp. 1-5) University of Wisconsin-Madison, 2016
VanderKam, James C. The Jewish Apocalyptic Heritage in Early Christianity (p. 66) Fortress Press, 1993
Thank you for sharing this. It's amazingly how many Church Fathers wrote about the fall of the watchers in the days of Enoch and Noah.
Funny how little we know about the powers of the air / unclean spirits / satan, etc. Funny how much is based on eisegesis (Isa 14, Ezek 28) and Milton and Enoch.