Ezra 8:17-21

And I sent them to Iddo the leading man at the place called Casiphia; and I told them what to say to Iddo and his brothers, the temple servants at the place Casiphia, that is, to bring ministers to us for the house of our God.

And as the good hand of our God was upon us, they brought us a man of insight from the sons of Mahli, the son of Levi, the son of Israel, namely Sherebiah, and his sons and brothers, eighteen men;

and Hashabiah and Jeshaiah of the sons of Merari, with his brothers and their sons, twenty men;

and 220 of the temple servants, whom David and the officials had provided for the service of the Levites, all of them designated by name. Protection of God Invoked

Then I proclaimed a fast there at the river of Ahava, to humble ourselves before our God, to seek from Him a safe journey for us, our little ones, and all our possessions.