Joktan was the father of Almodad, Sheleph, Hazarmaveth, Jerah,
And he shall go before him in the spirit and power of Elias, to turn the hearts of the fathers to the children, and the disobedient to the wisdom of the just; to make ready a people prepared for the Lord.Luke 1:17 KJV
Hadoram, Uzal, Diklah,Genesis 10:27 NIV
Two sons were born to Eber: One was named Peleg, because in his time the earth was divided; his brother was named Joktan.Genesis 10:25 NIV