Parallel
Daniel (Theodotion) 6:28
Swete's Septuagint · Berean Standard Bible
καὶ Δανιὴλ κατεύθυνεν ἐν τῇ βασιλείᾳ Δαρείου καὶ ἐν τῇ βασιλείᾳ Κύρου τοῦ Πέρσου.
So Daniel prospered during the reign of Darius and the reign of Cyrus (note: Or prospered during the reign of Darius, that is, the reign of Cyrus) the Persian.