Numbers 31:8 They killed 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 killed with the sword. (WEB KJV JPS ASV BBE DBY WBS YLT NAS RSV NIV)
Joshua 13:21 all the cities of the plain, and all the kingdom of Sihon king of the Amorites, who reigned in Heshbon, whom Moses struck with the chiefs of Midian, Evi, Rekem, Zur, Hur, and Reba, the princes of Sihon, who lived in the land. (WEB KJV JPS ASV BBE DBY WBS YLT NAS RSV)