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Do the Nephilim Come From Seth? Understanding the Sethite View

Who were the Nephilim? One of the oldest and most influential interpretations is that the “sons of God” were human beings descended from Seth rather than divine beings.

This interpretation became the dominant Christian position after the fourth century AD and remains common today. According to this view, Genesis 6 describes the intermarriage between the godly line of Seth and the ungodly line of Cain.

But does the text actually support that interpretation?

Continuing with my series on Heiser’s new book The Unseen Realm, I’ll look at three views on who the Nephilim were with a post on each topic. This post examines the Sethite interpretation of Genesis 6, its biblical basis, and the major problems critics raise against it.

Genesis 6:1–4

What does Genesis 6:1–4 say?

When man began to multiply on the face of the land and daughters were born to them, the sons of God saw that the daughters of man were attractive. And they took as their wives any they chose. Then the Lord said, “My Spirit shall not abide in man forever, for he is flesh: his days shall be 120 years.” The Nephilim were on the earth in those days, and also afterward, when the sons of God came in to the daughters of man and they bore children to them. These were the mighty men who were of old, the men of renown.

What is the Sethite View?

The “sons of God” are males born from the line of Seth, born after Cain killed Abel. The main distinction in this view is that the sons are contrasted with the daughters.

According to Heiser, Genesis 6:1–4 “describe forbidden intermarriage between the godly men of Seth’s lineage (‘sons of God’) and the ungodly women of Cain’s line (‘daughters of humankind’)” (94).

Part of this reasoning comes from Gen 4:26, “To Seth also a son was born, and he called his name Enosh. At that time people began to call upon the name of the Lord.” The line of Seth, those who worshipped the Lord, was to remain clean because through it would come the seed of the woman (Gen 3.15). However, it became defiled when it mixed with the daughters of the line of Cain.

Accordingly, the sin in Genesis 6 occurs when the godly line becomes spiritually compromised through intermarriage with the ungodly.

Problems With the Sethite View

Genesis 4.26 “never says the only people who ‘called on the name of the Lord’ were men from Seth’s lineage (95, bold emphasis mine).
It fails to explain who the Nephilim are (especially when you get to Numbers 13).
There is no link to Cain in the text. The women are called daughters “of humankind” not daughters “of Cain.”
There is no command against marrying certain persons up to this point in Genesis.
Nowhere else does the Bible (including Gen. 6.1-4) identify Seth’s lineage as being “sons of God.” The term “sons of God” is used in other passages, but it never refers to Seth’s lineage.

Heiser’s Alternative Interpretation

Heiser argues that Genesis 6 presents two fundamentally different groups. He writes that Genesis 6:1–4 “makes it clear that a contrast is being connected between two classes of individuals, one human and the other divine,” and not merely between male and female humans (95).

Group 1: Human Women

Genesis 6:1 sets up the first contrast, “When man began to multiply on the face of the land and daughters were born to them.” The first group is female and human.

Group 2: Sons of God

Genesis 6:2 introduces the sons of God:

“The sons of God saw that the daughters of man were attractive. And they took as their wives any they chose.”

According to Heiser, the phrase naturally refers to male, non-human divine beings.

Under this interpretation:

the “sons of God” are rebellious divine beings,
they take human wives,
and the Nephilim emerge from this transgression.

Heiser believes this interpretation better fits:

the Hebrew terminology,
ancient Jewish interpretation,
Second Temple literature,
and other Old Testament uses of “sons of God” (Job 1:6; 38:7).

Why This Debate Matters

The debate over Genesis 6 is not merely about obscure biblical trivia. It affects how readers understand a multitude of issues in the Bible:

the supernatural worldview of the Old Testament,
the identity of the Nephilim,
ancient Jewish theology,
spiritual rebellion in Scripture,
and how biblical authors viewed the unseen realm.

It also shapes how readers approach difficult and strange biblical passages more generally. There has recently been more pushback in scholarship on Heiser’s work (a critical review and its pushback), which provides for healthy conversation.

In my next post I’ll look at a second view on the Nephilim:
divine human rulers.

The Unseen Realm is Coming

The Nephilim

Dividing the Nations

The OT Trinity

Book Review

Buy it on Amazon!

And also Heiser’s more condensed version,