Mentioned in the Bible by name

Shabbethai

Only Jonathan, son of Asahel, and Jahzeiah, son of Tikvah, stood up against this proposal, and Meshullam and Shabbethai, the Levites, helped them.

Jeshua [Neh. 10:9], Bani [Neh. 10:13], Sherebja [Neh. 10:12], Jamin, Ackub, Shabbetai, Hodia [Neh. 10:10], Maaseiah [verse 4], Kelita [Neh. 10:10], Azariah [perhaps the same as in Neh. 10:2], Josabad [Neh. 11:16], Hanan [Neh. 10:10], Pelaja [Neh. 10:10] and the Levites taught the people the Torah [the five books of Moses] while the people stood there, each in his place. [Of these 13 Levites, 7 return and sign Nehemiah's letters, see Neh. 10:28–39.]

and Shabbethai and Josabad, who were in charge of the outside work at the house of God and were among the leaders of the Levites,