Why does God order the killing of Midianite women and boys?

What the text says

Numbers 31 opens with a command. 'Avenge the children of Israel of the Midianites: afterward shalt thou be gathered unto thy people' (Num 31:2). The previous chapters give the reason. At Numbers 25, Midianite and Moabite women had drawn Israelite men into the worship of Baal of Peor, a plague had broken out, and 24,000 Israelites had died. Numbers 31 frames the war as the answer to that incident.

A thousand men from each tribe go out. Twelve thousand soldiers in total. They kill the five kings of Midian by name (Evi, Rekem, Zur, Hur, and Reba). They kill Balaam son of Beor. They burn the Midianite towns and encampments. They take the women, the children, the livestock, and the goods as plunder, and bring them back to the camp on the plains of Moab.

Then comes the scene the article is about. Moses meets the returning officers outside the camp. He is angry. The verses are short, and they do not soften. 'Have ye saved all the women alive? Behold, these caused the children of Israel, through the counsel of Balaam, to commit trespass against the LORD in the matter of Peor… Now therefore kill every male among the little ones, and kill every woman that hath known man by lying with him. But all the women children, that have not known a man by lying with him, keep alive for yourselves' (Num 31:15-18). The chapter then moves to purification of the soldiers, division of the spoil between the army and the rest of the congregation, a separate share for the priests and the Levites, and a thanksgiving offering of gold from the officers. The text never circles back to defend or explain verses 17-18. They sit inside the procedural report.

The four positions

The herem texts side by side

Numbers 31 does not stand alone. Four other passages in the Hebrew Bible give herem-style commands, and reading the chapter against them is what most of the positions above are arguing about. The texts are not all worded the same way, and the differences matter for which reading the evidence favors.

Reading the columns next to each other surfaces the gap each position has to work in. The traditional herem reading takes the four passages as instances of a coherent legal category limited to the conquest era. The hyperbole reading takes the contradictions inside Joshua and the 'no covenant, no intermarriage' clause inside Deuteronomy 7 as evidence the language is stylized. The accommodation reading lets the four passages stand as the community's witness to its own developing understanding. The literary-construction reading takes the priestly fingerprints in Numbers 31 and the schematic numbers in 1 Samuel 15 as evidence the texts are programmatic theology rather than direct battle reports.

What 'keep alive for yourselves' means

The phrase that ends verse 18 is the second seam in the chapter. The Hebrew is haḥăyû lākem, 'keep them alive for yourselves.' The 'for yourselves' is the contested part. Two readings have circulated since at least the medieval Jewish commentators.

The first takes 'for yourselves' as authorizing the soldiers to acquire the surviving girls as wives or war-captives. Deuteronomy 21:10-14 sets out the legal procedure for marrying a captive woman: a month of mourning, no immediate sexual contact, the right of release if the marriage breaks down. Rashi and Ibn Ezra both read Numbers 31:18 as the war-context behind which Deuteronomy 21:10-14 sets the legal frame. Most modern commentators read the verse the same way.

The second reading takes 'for yourselves' as 'as part of your community,' that is, as captives who would be absorbed into Israelite households as servants or eventual converts. This is the line Calvin takes in his Numbers commentary. It is also the line some of the traditional-herem defenders take when they want to keep the chapter from authorizing sexual access. The text itself does not resolve the question. It moves immediately to the inventory.

The Peor incident as the frame

Every position has to reckon with Numbers 25 as the chapter that sets up Numbers 31. The Peor incident is the stated motive for the war and the stated motive for Moses's anger at the returning officers. Reading 31 without 25 is reading the war as a context-free atrocity. Reading 25 without 31 is reading a covenant crisis without seeing how the priestly narrative resolves it.

What Numbers 25 says is that Israelite men 'began to commit whoredom with the daughters of Moab' and that 'they called the people unto the sacrifices of their gods' (25:1-2). The Moabite women appear first; the Midianite women appear at verse 6, when an Israelite man brings a Midianite woman named Cozbi into the camp in front of Moses and the whole congregation. Phinehas the priest follows them into the tent and kills them both. The plague stops. The chapter concludes with the LORD's command to 'vex the Midianites, and smite them' (25:17), which Numbers 31:1 then carries out.

The traditional reading takes Numbers 25 as establishing Midianite culpability as a people. The Peor incident is not a one-off; it is a coordinated attempt (the 'counsel of Balaam') to corrupt Israel from inside. On this reading Numbers 31 is the judicial answer. The accommodation and literary-construction readings argue that the framing itself reflects the community's interpretation of a complex regional conflict, in which 'Midian' is being used both for the southern Midianite confederation and (in tension with Exodus 18) for groups Israel was actually allied with. Whatever the historical reality, both readings agree that Numbers 25 is the lens Numbers 31 is meant to be read through.

Where the arguments actually disagree

Stepping back from the four positions, the disagreements cluster around three questions that the chapter itself does not settle. First, is this a battle report, a stylized war narrative, or a programmatic priestly construct. The traditional and ANE-hyperbole positions both treat the chapter as referring to an actual event, while differing on whether the body-count language is literal. The literary-construction position treats the chapter as primarily a theological document. The accommodation position can be paired with any of the three.

Second, what is the moral status of an order that the text attributes to God. The traditional position says the order is authoritative because God gave it, and the modern reader's discomfort does not override the text. The accommodation position says the order is in the text because the community's understanding of God was at that moment limited, and the cross corrects the picture. The ANE-hyperbole position changes what the order actually meant in practice. The literary-construction position changes what kind of statement the order is.

Third, what does the chapter mean for Christian and Jewish ethics today. All four positions agree the chapter does not authorize present-day military action against any group. The categories that allowed the order (a singular covenant context, a particular cultic crisis, ancient war conventions, a particular priestly program) are not categories any modern community sits inside. The disagreement is about why the chapter does not authorize present-day action, and what work it does in the canon instead.

Reading the chapter with the question open

Numbers 31 is one of the texts the chapter keeps the order on the page. The positions above do not collapse into each other, and none of them resolves the discomfort the chapter produces. What they do is name what each reader is trading off. The traditional reading preserves the chapter's plain force and accepts the cost of a divine command that runs against later moral instincts. The ANE-hyperbole reading preserves divine character at the cost of changing what the text was reporting. The accommodation reading preserves a Christ-shaped account of God at the cost of locating the violence inside the community's perception rather than the divine will. The literary-construction reading preserves the chapter's place in scripture by changing what the chapter is, at the cost of moving further from the surface narrative.

Most readers who have stayed with the chapter for any length of time end up holding a position with some borrowed pieces. Few traditional-herem defenders are unwilling to grant some ANE rhetorical context, and few accommodation readers reject the priestly genre observations the literary-construction camp makes. The labels above are the families. They are not airtight cells. What the chapter requires is that the reader pick a position knowing what each one costs.