Two sons were born to Eber: One was named Peleg, because in his time the earth was divided; his brother was named Joktan.
References for 1 Chronicles 1:19
Joktan was the father of Almodad, Sheleph, Hazarmaveth, Jerah,
Hadoram, Uzal, Diklah,
Obal, Abimael, Sheba,
References for 1 Chronicles 1:22
Ophir, Havilah and Jobab. All these were sons of Joktan.