Obal

Stripped, the eight son of Joktan (Genesis 10:28); called also Ebal (1 Chronicles 1:22).

Source: Easton's Bible Dictionary
Obal

(stripped bare ), son of Joktan, and, like the rest of family, apparently the founder of an Arab tribe. (Genesis 10:28) In (1 Chronicles 1:22) the name is written EBAL.

Source: Smith's Bible Dictionary