Bible Verses About Priests: Each course of, had its president or chief

And Shemaiah son of Nethaneel the scribe, of the Levites, writeth them before the king and the princes, and Zadok the priest, and Ahimelech son of Abiathar, and heads of the fathers, for priests and for Levites: one house of a father being taken possession of for Eleazar, and one being taken possession of for Ithamar.

and they cast, they also, lots over-against their brethren the sons of Aaron, before David the king, and Zadok, and Ahimelech, and heads of the fathers, for priests and for Levites; the chief father over-against his younger brother.

Also, all the heads of the priests, and the people, having multiplied to commit a trespass according to all the abominations of the nations, and they defile the house of Jehovah that He hath sanctified in Jerusalem.