And I sent them with commandment unto Iddo the chief at the place Casiphia, and I told them what they should say unto Iddo, and to his brethren the Nethinims, at the place Casiphia, that they should bring unto us ministers for the house of our God.(Ezra 8:17)

And by the good hand of our God upon us they brought us a man of understanding, of the sons of Mahli, the son of Levi, the son of Israel; and Sherebiah, with his sons and his brethren, eighteen;(Ezra 8:18)

And Hashabiah, and with him Jeshaiah of the sons of Merari, his brethren and their sons, twenty;(Ezra 8:19)

Also of the Nethinims, whom David and the princes had appointed for the service of the Levites, two hundred and twenty Nethinims: all of them were expressed by name.

Then I proclaimed a fast there, at the river of Ahava, that we might afflict ourselves before our God, to seek of him a right way for us, and for our little ones, and for all our substance.(Ezra 8:21)

For I was ashamed to require of the king a band of soldiers and horsemen to help us against the enemy in the way: because we had spoken unto the king, saying, The hand of our God is upon all them for good that seek him; but his power and his wrath is against all them that forsake him.(Ezra 8:22)

So we fasted and besought our God for this: and he was intreated of us.(Ezra 8:23)

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Ezra 8:20 - Cross Reference

And I intreat thee also, true yokefellow, help those women which laboured with me in the gospel, with Clement also, and with other my fellowlabourers, whose names are in the book of life. (Philippians 4:3)

Now the first inhabitants that dwelt in their possessions in their cities were, the Israelites, the priests, Levites, and the Nethinims. (1 Chronicles 9:2)

And there went up some of the children of Israel, and of the priests, and the Levites, and the singers, and the porters, and the Nethinims, unto Jerusalem, in the seventh year of Artaxerxes the king. (Ezra 7:7)

The Nethinims: the children of Ziha, the children of Hasupha, the children of Tabbaoth, (Ezra 2:43)