The Targum of Pseudo-Jonathan
(between 2th cent BC and 4th AD)
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Taken from: Slaves and slavery in Muslim Africa Vol1
In here the name of Zangay occurs apparently as the name of a Kushitic group.
Gen 10:7 And the sons of Kush, Seba, and Havilah, and Sabta, and Raama, and Sabteka, and the name of their provinces, Sinirai, and Hindiki, and Semadi, and Lubai, and Zingai. And the sons of Mauritinos, Zmargad and Mezag.