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The brothers’ offerings and first murder: Cain, Abel, and Adam’s two sons

Genesis 4:3–16 and Qur’an 5:27–31 both tell of two brothers, offerings, acceptance of one offering, and murder by the rejected brother. Their strikingly similar sequence points to a connected story, while their different endings reshape what readers are asked to notice.

Jewish biblical; Islamic Qur’anic · 2026-10-23

Traditions: Jewish biblical; Islamic Qur’anic Motif: Rejected offering, brother-killing, and moral warning Connection verdict: Shared Abrahamic narrative with substantial Qur’anic reworking Article status: Expanded Date: 2026-10-25

Summary

Genesis 4:3–16 and Qur’an 5:27–31 both tell of two brothers, offerings, acceptance of one offering, and murder by the rejected brother. Their strikingly similar sequence points to a connected story, while their different endings reshape what readers are asked to notice.

In Genesis

Cain and Abel each bring an offering. When Abel’s is regarded and Cain’s is not, Cain becomes angry. God questions him before the murder, and the story follows the killing with another question: where is his brother? Cain’s answer refuses responsibility; the narrative then turns to the blood crying from the ground, judgment, exile, and a protective mark. Read Genesis 4:3–16 as a whole. The text does not explicitly state a single technical rule about why one offering was accepted, so readers should be careful about presenting a later explanation as the verse’s own statement.

In the Qur’an

The Qur’anic account calls the figures “the two sons of Adam” without naming them in the passage. After the rejected brother threatens murder, the other refuses to retaliate in kind and speaks about accountability to God. The killing is followed by a raven demonstrating how to cover a body. That final image makes burial, shame, and the killer’s helplessness central to this telling. Later Muslim tradition commonly uses the names Cain and Abel, but those names should not be silently inserted into the Qur’anic wording.

Why the differences matter

The two stories share more than a broad “sibling rivalry” motif: offerings, rejection, threat or anger, killing, and aftermath appear in a recognizable cluster. The texts are not duplicates. Genesis gives extended attention to Cain’s encounter with God and his life after the crime; the Qur’an foregrounds the threatened brother’s refusal to imitate violence and a lesson conveyed through the raven.

Both can be read as warnings against letting resentment turn another person into an enemy. But neither should be reduced to a generic moral slogan. Their questions about responsibility, retaliation, divine judgment, and what comes after harm have different weights. Reading the full scenes protects that difference.

What can the comparison prove?

A shared Abrahamic story complex is well supported. These passages do not by themselves show that the Qur’an copied one extant Hebrew wording directly, nor do they tell us every oral or interpretive step between the tellings. The strongest claim is connection with meaningful reworking.

Sources and reading notes

Research limit

This comparison is based on two primary passages. It distinguishes the Qur’anic text from later naming traditions and does not reconstruct a precise transmission chain.