Genesis 10:29

And Ophir, and Havilah, and Jobab: all these [were] the sons of Joktan.

Genesis 10:26

And Joktan begat Almodad, and Sheleph, and Hazar-maveth, and Jerah,

Genesis 10:25

And unto Eber were born two sons: the name of one [was] Peleg; for in his days was the earth divided [Lit, Division]; and his brother's name [was] Joktan