15:36 Furthermore, their two sons are there with them, Zadok’s son Ahimaaz and Abiathar’s son Jonathan. You must send them to me with any information you hear.”
2 Samuel 17:17
17:17 Now Jonathan and Ahimaaz were staying in En Rogel. A female servant would go and inform them, and they would then go and inform King David. It was not advisable for them to be seen going into the city.