Rab-saris in the Bible

And the king of Assyria sent Tartan and Rab-saris and Rabshakeh from Lachish to king Hezekiah with a great army unto Jerusalem. And they went up and came to Jerusalem. And when they were come up, they came and stood by the conduit of the upper pool, which is in the highway of the fuller's field.

that all the princes of the king of Babylon came in, and sat in the middle gate, to wit , Nergal-sharezer, Samgar-nebo, Sarsechim, Rab-saris, Nergal-sharezer, Rab-mag, with all the rest of the princes of the king of Babylon.

So Nebuzaradan the captain of the guard sent, and Nebushazban, Rab-saris, and Nergal-sharezer, Rab-mag, and all the chief officers of the king of Babylon;