Genesis 10:26 - Coke's Commentary on the Holy Bible

And Joktan— The other son of Eber, was the father of many sons, who were the heads of so many tribes in Arabia; inhabiting that tract of it, Genesis 10:30 which lies between Mesha, i.e.. Muza, a celebrated empire of Arabia to the Idumaean sea, and the mountains of the Sephorites, situated to the east of Muza.