(Hebron used to be called Kiriath Arba after Arba, who was the greatest man among the Anakites.) Then the land had rest from war. (NIV)
The name of Hebron before was Kiriath-arba [city of Arba]. This Arba was the greatest of the Anakim. And the land had rest from war. (AMP)
And the name of Hebron before was Kirjatharba; which Arba was a great man among the Anakims. And the land had rest from war. (KJV)