Jamieson-Fausset-Brown on Numbers 31:8
the kings of Midian--so called, because each was possessed of absolute power within his own city or district; called also dukes or princes of Sihon (Jos 13:21), having been probably subject to that Amorite ruler, as it is not uncommon in the East to find a number of governors or pachas tributary to one great king.
Zur--father of Cozbi (Num 25:15).
Balaam also . . . they slew with the sword--This unprincipled man, on his dismissal from Balak, set out for his home in Mesopotamia (Num 24:25). But, either diverging from his way to tamper with the Midianites, he remained among them without proceeding farther, to incite them against Israel and to watch the effects of his wicked counsel; or, le…
Read the whole note in the consoleJohn Gill on Numbers 31:11
And they took all the spoil,.... In their cities and castles; and all the prey, both of men and of beasts; all sorts of cattle, oxen, sheep, and asses.
John Calvin on Numbers 31:11-13
And they took all the spoil. It was a sign both of their disinterestedness and modesty, that they brought the booty, which they had taken in the ardor of battle, to Moses and Eleazar; nor was it a mere empty and pompous ceremony, as many boastingly parade the wealth which they desire to keep to themselves; but their intention was, to acquiesce in the determination of Moses as to its distribution. For, when Moses soon afterwards allots half of it to the people, they are so far from rebelling against his decision, that they do not even murmur. It is clear, then, that in this respect they were no less submissive than they had been when, at the outset, they took up arms, and boldly went forth to…
Read the whole note in the consoleKeil & Delitzsch on Numbers 31:11-12
All this booty (shalal, booty in goods), and all the prey in man and beast (malkoach), was brought by the conquerors to Moses and Eleazar and the congregation, into the camp in the steppes of Moab. In Num 31:12, שׁבי applies to the women and children who were taken prisoners, מלקוח to the cattle taken as booty, and שׁלל to the rest of the prey.