The sons of Cush and Raamah add up to seven in total.
Seba was in northern Africa (see Isaiah 43:3; 45:14).
Havilah was in southwest Arabia.
Sabtah was in southern Arabia, in ancient Hadramaut, near the Persian Gulf.
Raamah was in southwest Arabia near Najran.
Sabteca was in ancient Samudake near the Persian Gulf.
Sheba was a kingdom in southwest Arabia with trading colonies (see 1 Kings 10:1–29).
Dedan was in northern Arabia.