35 Don’t you have Zadok and Abiathar the priests there with you? Therefore whatever you hear out of the king’s house, tell it to Zadok and Abiathar the priests.
2 Samuel 15:35 Cross References - WEB
2 Samuel 17:15-16
15 Then Hushai said to Zadok and to Abiathar the priests, “Ahithophel counseled Absalom and the elders of Israel that way; and I have counseled this way.
16 Now therefore send quickly, and tell David, saying, ‘Don’t lodge tonight at the fords of the wilderness, but by all means pass over; lest the king be swallowed up, and all the people who are with him.’”