Rab-mag in the Bible

An Assyrian prince, or, possibly, a second name given to Nergal-sharezer

• Jeremiah 39:3 And all the princes of the king of Babylon came in, and sat in the middle gate, even Nergalsharezer, Samgarnebo, Sarsechim, Rabsaris, Nergalsharezer, Rabmag, with all the residue of the princes of the king of Babylon.
• Jeremiah 39:13 So Nebuzaradan the captain of the guard sent, and Nebushasban, Rabsaris, and Nergalsharezer, Rabmag, and all the king of Babylon's princes;

⇒Bible Encyclopedia for RAB-MAG.

⇒See also McClintock and Strong Cyclopedia for Rabmag.