GOD'S WORD® Translation
They were appointed to stand beside Aaron's descendants to serve in the LORD's temple. They were appointed to be in charge of the courtyards and the temple rooms, to ensure that all the holy things were clean, and to serve in God's temple.

American Standard Version
For their office was to wait on the sons of Aaron for the service of the house of Jehovah, in the courts, and in the chambers, and in the purifying of all holy things, even the work of the service of the house of God;

Berean Study Bible
but their duty was to assist the descendants of Aaron with the service of the house of the LORD, being responsible for the courts and chambers, the purification of all the holy things, and the work of the service of the house of God,

Douay-Rheims Bible
And they are to be under the hand of the sons of Aaron for the service of the house of the Lord, in the porches, and in the chambers, and in the place of purification, and in the sanctuary, and in all the works of the ministry of the temple of the Lord.

English Revised Version
For their office was to wait on the sons of Aaron for the service of the house of the LORD, in the courts, and in the chambers, and in the purifying of all holy things, even the work of the service of the house of God;

King James Bible
Because their office was to wait on the sons of Aaron for the service of the house of the LORD, in the courts, and in the chambers, and in the purifying of all holy things, and the work of the service of the house of God;

World English Bible
For their office was to wait on the sons of Aaron for the service of the house of Yahweh, in the courts, and in the rooms, and in the purifying of all holy things, even the work of the service of the house of God;

Young's Literal Translation
for their station is at the side of the sons of Aaron, for the service of the house of Jehovah, over the courts, and over the chambers, and over the cleansing of every holy thing, and the work of the service of the house of God,

1 Chronicles 23:28 Additional Translations ...