The dynasty must have had close relations with South Arabia.
Joseph Halevi made many valuable discoveries of inscriptions in South Arabia, which he traversed in 1869.
The successive kingdoms of South Arabia (Yemen) were essentially commercial.
The knowledge of coffee spread from Yemen in South Arabia over the whole world.
The latter seem to have lived either in South Arabia or in north-east Africa.
The Yemanieh are largely traders, and trace their origin from South Arabia.
Kūfa attracted chiefly men of South Arabia, Basra those of the north.
Sheba belonged not only to South Arabia but to northern Arabia as well.