The leaders of the Levites were Hashabiah, Sherebiah, and Jeshua son of Kadmiel, along with their associates, who stood across from them to give praise and thanksgiving as one section alternated with the other, as prescribed by David the man of God.
We have here the names, and little more than the names, of a great many priests and Levites, that were eminent in their day among the returned Jews. Why this register should be here inserted by Nehemiah does not appear, perhaps to keep in remembrance those good men, that posterity might know to whom they were beholden, under God, for the happy revival and re-establishment of their religion among them.
Commenting on Nehemiah 12:1-26
Mattaniah, and Bakbukiah, Obadiah, Meshullam, Talmon, Akkub, were porters,.... At the gates of the temple, see Ch1 9:15, keeping the ward, at the thresholds of the gates; of the temple, where they stood and watched; or "at the collection of the gates", meaning either where the people were gathered together, or where money gathered was laid up; and so some render it, "the treasuries of...
SUCCESSION OF THE HIGH PRIESTS. (Neh. 12:10-47) Jeshua begat Joiakim, &c.--This enumeration was of great importance, not only as establishing their individual purity of descent, but because the chronology of the Jews was henceforth to be reckoned, not as formerly by the reigns of their kings, but by the successions of their high priests.
Commenting on Nehemiah 12:10-47