וְאֶת־אוֹפִ֥יר וְאֶת־חֲוִילָ֖ה וְאֶת־יוֹבָ֑ב כָּל־אֵ֖לֶּה בְּנֵ֥י יָקְטָֽן׃ (ס)
Ofir, Havila, at Jobab. Ang lahat ng ito ay mga anak ni Joktan.
Rashi
all these were the sons of Joktan for he belittled his affairs. Eber was a great prophet (for he named his son for a future event), but the names of the others were not meant to be expounded upon, for they were not inspired by prophetic word.