Nathan-melech
The name Nathan-melech means “the gift of the king, or of counsel”.
International Standard Bible Encyclopedia 1915
na'-than-mel'-ek (nethan-melekh, "king's gift"): A Judean official, to whose chamber King Josiah removed "the horses of the sun" (2Ki 23:11). The Septuagint calls him "Nathan, the king's eunuch" (Nathan basileos tou eunouchou).