Exodus 6:23
And Aaron took to wife Elizabeth the daughter of Aminadab, sister of Nahason, who bore him Nadab, and Abiu, and Eleazar, and Ithamar.

1 Chronicles 28:13
And of the divisions of the priests and of the Levites, for all the works of the house of the Lord, and for all the vessels of the service of the temple of the Lord.

2 Chronicles 5:11
Now when the priests were come out of the sanctuary, for all the priests that could be found there, were sanctified: and as yet at that time the courses and orders of the ministries were not divided among them,

2 Chronicles 8:14
And he appointed according to the order of David his father the offices of the priests in their ministries: and the Levites in their order to give praise, and minister before the priests according to the duty of every day: and the porters in their divisions by gate and gate: for so David the man of God had commanded.

2 Chronicles 23:8
So the Levites, and all Juda did according to all that Joiada the high priest had commanded: and they took every one his men that were under him, and that came in by the course of the sabbath, with those who had fulfilled the sabbath, and were to go out. For Joiada the high priest permitted not the companies to depart, which were accustomed to succeed one another every week.

2 Chronicles 31:2
And Ezechias appointed companies of the priests, and the Levites, by their courses, every man in his own office, to wit, both of the priests, and of the Levites, for holocausts, and for peace offerings, to minister, and to praise, and to sing in the gates of the camp of the Lord.

Ezra 6:18
And they set the priests in their divisions, and the Levites in their courses over the works of God in Jerusalem, as it is written in the book of Moses.