According to Ethiopian historians, the Kushite Empire also controlled the mountainous regions around the source of the Blue Nile at first, and the Cushitic and Agaw peoples of Ethiopia (including the Bete Israel or Ethiopian Jews, who have largely migrated to Israel) still maintain traditions of descent from Cush.
The superscription of the Book of Zephaniah attributes its authorship to “Zephaniah son of Cushi son of Gedaliah son of Amariah son of Hezekiah, in the days of King Josiah son of Amon of Judah” (1:1, NRSV).