Numbers 25:15-18

ISV(i) 15 The woman who was slain, that is, the Midianite woman, was named Cozbi. She was the daughter of Zur, a leader of one of the ancestral houses of Midian.
16 God Orders the Destruction of MidianLater, the LORD ordered Moses, 17 “Attack the Midianites and execute them, 18 because they’ve acted deceitfully, bringing trouble to you in this incident at Peor with Cozbi, daughter of a prince from Midian, who was killed during the plague that came about because of the incident at Peor.”