Hashabiah was leader of the family of Hilkiah. Nethanel was leader of the family of Jedaiah.
During the reign of Darius II of Persia, a list was compiled of the family leaders of the Levites and the priests in the days of the following high priests: Eliashib, Joiada, Johanan, and Jaddua.
References for Nehemiah 12:22
The heads of the Levite families were recorded in The Book of History down to the days of Johanan, the grandson of Eliashib.
References for Nehemiah 12:23
These were the family leaders of the Levites: Hashabiah, Sherebiah, Jeshua, Binnui, Kadmiel, and other associates, who stood opposite them during the ceremonies of praise and thanksgiving, one section responding to the other, just as commanded by David, the man of God.
References for Nehemiah 12:24
This included Mattaniah, Bakbukiah, and Obadiah. Meshullam, Talmon, and Akkub were the gatekeepers in charge of the storerooms at the gates.
These all served in the days of Joiakim son of Jeshua, son of Jehozadak, and in the days of Nehemiah the governor and of Ezra the priest and scribe.
References for Nehemiah 12:26
During the dedication of the new wall of Jerusalem, the Levites throughout the land were asked to come to Jerusalem to assist in the ceremonies. They were to take part in the joyous occasion with their songs of thanksgiving and with the music of cymbals, lyres, and harps.
The singers were brought together from Jerusalem and its surrounding villages and from the villages of the Netophathites.
They also came from Beth-gilgal and the area of Geba and Azmaveth, for the singers had built their own villages around Jerusalem.
The priests and Levites first dedicated themselves, then the people, the gates, and the wall.
I led the leaders of Judah to the top of the wall and organized two large choirs to give thanks. One of the choirs proceeded southward along the top of the wall to the Dung Gate.
References for Nehemiah 12:31