Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
WEB

Numbers 31:8

They killed the kings of Midian with the rest of their slain: Evi, Rekem, Zur, Hur, and Reba, the five kings of Midian. They also killed Balaam the son of Beor with the sword.

Read in other translations