Ezra 8:18-20

And by the help of our God they got for us Ish-sechel, one of the sons of Mahli, the son of Levi, the son of Israel; and Sherebiah with his sons and brothers, eighteen; And Hashabiah, and with him Jeshaiah of the sons of Merari, his brothers and their sons, twenty; And of the Nethinim, to whom David and the captains had given the work of helping the Levites, two hundred and twenty Nethinim, all of them specially named.