'Chamberlain' in the Bible

and all the princes of the king of Babylon came in, and sat in the middle gate: Nergal-sharezer, Samgar-nebu, Sarsechim, chief chamberlain, Nergal-sharezer, chief magian, and all the rest of the princes of the king of Babylon.

So Nebuzar-adan the captain of the body-guard sent, and Nebushazban, chief chamberlain, and Nergal-sharezer, chief magian, and all the king of Babylon's princes,

The word that Jeremiah the prophet commanded Seraiah the son of Nerijah, the son of Mahseiah, when he went with Zedekiah the king of Judah to Babylon in the fourth year of his reign. Now Seraiah was chief chamberlain.