2 Kings 18:17-19
17 Assyria’s king then dispatched a large army to King Hezekiah in Jerusalem. The army was led by three senior military officers, Tartan, Rab-saris, and Rabshakeh, from Lachish. They came to Jerusalem and waited by the channel of the upper pool. (The channel is on the main route to the fuller’s field.) 18 They called out to the king; but instead of the king coming out to meet them, Eliakim (Hilkiah’s son) the palace administrator, Shebnah the lawyer, and Joah (Asaph’s son) the reporter to the king and the people approached them.
Rabshakeh: 19 Go back and tell Hezekiah that this is the message of Assyria’s mighty king: “What is the basis of your confidence?