Números 31:8

8 Among their victims were Evi, Rekem, Zur, Hur and Reba - the five kings of Midian. They also killed Balaam son of Beor with the sword.

8 And they slew the kings of Midian with the rest of their slain: Evi, and Rekem, and Zur, and Hur, and Reba, the five kings of Midian: Balaam also the son of Beor they slew with the sword.