Nehemiah 11:15-18 NLT

15 From the Levites: Shemaiah son of Hasshub, son of Azrikam, son of Hashabiah, son of Bunni;
16 Shabbethai and Jozabad, who were in charge of the work outside the Temple of God;
17 Mattaniah son of Mica, son of Zabdi, a descendant of Asaph, who opened the thanksgiving services with prayer; Bakbukiah, who was Mattaniah's assistant; and Abda son of Shammua, son of Galal, son of Jeduthun.
18 In all, there were 284 Levites in the holy city.