Numbers 25:15
And the Midianite woman's name who was killed was Cosbi, the daughter of Zur. He was head over a people, and of a chief house in Midian.
Numbers 31:8
And they killed the kings of Midian, besides the rest of their slain: Evi, and Rekem, and Zur, and Hur, and Reba, five kings of Midian. They also killed Balaam the son of Beor with the sword.
Joshua 13:21
and 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 rulers of Midian, Evi, and Rekem, and Zur, and Hur, and Reba, rulers of Sihon, the inhabitants of the land).
Numbers 25:18
For they trouble you with their lies, with which they have deceived you in the matter of Peor, and in the matter of Cozbi the daughter of a ruler of Midian, their sister, who was stricken in the day of the plague because of Peor.