דברי הימים א, פרק א׳, פסוק כ׳

Joktan, who was likely the youngest brother in his family, grew to become the father of several different nations. His family line expanded through his sons, which included Almodad, Sheleph, and Jerah. Another of his sons, Hazarmaveth, eventually settled in the region of Yemen [ביאור שטיינזלץ].