Ezra 4:6-7

At the beginning of the reign of Xerxes, they lodged an accusation against the people of Judah and Jerusalem. And in the days of Artaxerxes king of Persia, Bishlam, Mithredath, Tabeel and the rest of his associates wrote a letter to Artaxerxes. The letter was written in Aramaic script and in the Aramaic language.