1 Chronicles 11:3

11:3 When all the leaders of Israel came to the king at Hebron, David made an agreement with them in Hebron before the Lord. They anointed David king over Israel, just as the Lord had announced through Samuel.

1 Chronicles 12:17

12:17 David went out to meet them and said, “If you come to me in peace and want to help me, then I will make an alliance with you. But if you come to betray me to my enemies when I have not harmed you, may the God of our ancestors take notice and judge!”

1 Chronicles 19:6-7

19:6 When the Ammonites realized that David was disgusted with them, Hanun and the Ammonites sent 1,000 talents of silver to hire chariots and charioteers from Aram Naharaim, Aram Maacah, and Zobah. 19:7 They hired 32,000 chariots, along with the king of Maacah and his army, who came and camped in front of Medeba. The Ammonites also assembled from their cities and marched out to do battle.