1 Chronicles 9:25

And their brothers, in the country places where they were living, were to come in every seven days to be with them from time to time.

2 Kings 11:5

And he gave them orders, saying, This is what you are to do: the third part of you, who come in on the Sabbath and keep the watch of the king's house,

2 Chronicles 23:8

So the Levites and all Judah did as Jehoiada the priest had given them orders: every one took with him his men, those who were to come in and those who were to go out on the Sabbath; for Jehoiada had not sent away the divisions.

2 Kings 11:7

And the two divisions of you, who go out on the Sabbath and keep the watch of the house of the Lord,

Treasury of Scripture Knowledge

Summary

And their brethren, which were in their villages, were to come after seven days from time to time with them.

Bible References

Seven

2 Kings 11:5
And he gave them orders, saying, This is what you are to do: the third part of you, who come in on the Sabbath and keep the watch of the king's house,
2 Chronicles 23:8
So the Levites and all Judah did as Jehoiada the priest had given them orders: every one took with him his men, those who were to come in and those who were to go out on the Sabbath; for Jehoiada had not sent away the divisions.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain