SARSECHIM seems to be the name of a Babylonian official (Jer 39:3), but the versions
Then all the officials of the king of Babylon came in and sat down at the Middle Gate: Nergal-sar-ezer, Samgar-nebu, Sar-sekim the Rab-saris, Nergal-sar-ezer the Rab-mag, and all the rest of the officials of the king of Babylon.