Zur occurs five times in the King James Bible as the name of various people and a state.
And the name of the Midianitish woman that was slain was Cozbi, the daughter of Zur; he was head over a people, and of a chief house in Midian.
"And they slew the kings of Midian, beside the rest of them that were slain; namely, Evi, and Rekem, and Zur, and Hur, and Reba, five kings of Midian: Balaam also the son of Beor they slew with the sword."
"And the children of Israel took all the women of Midian captives, and their little ones, and took the spoil of all their cattle, and all their flocks, and all their goods."
"And all the cities of the plain, and all the kingdom of Sihon king of the Amorites, which reigned in Heshbon, whom Moses smote with the princes of Midian, Evi, and Rekem, and Zur , and Hur, and Reba, which were dukes of Sihon, dwelling in the country."
"And his firstborn son Abdon, and Zur, and Kish, and Baal, and Nadab"
"And in Gibeon dwelt the father of Gibeon, Jehiel, whose wife's name was Maachah:"
"And his firstborn son Abdon, then Zur, and Kish, and Baal, and Ner, and Nadab."