Then David summoned the priests Zadok and Abiathar, along with the descendants of Levi Uriel, Asaiah, Joel, Shemaiah, Eliel, and Amminadab

Ahitub's son Zadok and Abiathar's son Ahimelech were priests, Shavsha was his personal secretary,

Nethanel's son Shemaiah, a Levitical scribe, made an official record of them for the king, the officers, Zadok the priest, Abiathar's son Ahimelech, and the heads of ancestral households of both the priests and the descendants of Levi. One ancestral house was chosen for Eleazar and one for Ithamar.

and under Ahithophel there was Benaiah's son Jehoiada and Abiathar. Joab served as commander of the king's army.