Verses with the word arba in the Old Testament (3 verses):

Joshua 14:15
And the name of Hebron before was Kirjatharba; which Arba was a great man among the Anakims. And the land had rest from war.

Joshua 15:13
And unto Caleb the son of Jephunneh he gave a part among the children of Judah, according to the commandment of the LORD to Joshua, even the city of Arba the father of Anak, which city is Hebron.

Joshua 21:11
And they gave them the city of Arba the father of Anak, which city is Hebron, in the hill country of Judah, with the suburbs thereof round about it.