Now it came to pass after this, that Nahash the king of the children of Ammon died, and his son reigned in his stead.(1 Chronicles 19:1)

And David said, I will show kindness unto Hanun the son of Nahash, because his father showed kindness to me. And David sent messengers to comfort him concerning his father. So the servants of David came into the land of the children of Ammon to Hanun, to comfort him.(1 Chronicles 19:2)

But the princes of the children of Ammon said to Hanun, Thinkest thou that David doth honor thy father, that he hath sent comforters unto thee? are not his servants come unto thee for to search, and to overthrow, and to spy out the land?(1 Chronicles 19:3)

Then there went certain, and told David how the men were served. And he sent to meet them: for the men were greatly ashamed. And the king said, Tarry at Jericho until your beards be grown, and then return.(1 Chronicles 19:5)

And when the children of Ammon saw that they had made themselves odious to David, Hanun and the children of Ammon sent a thousand talents of silver to hire them chariots and horsemen out of Mesopotamia, and out of Syriamaachah, and out of Zobah.(1 Chronicles 19:6)

So they hired thirty and two thousand chariots, and the king of Maachah and his people; who came and pitched before Medeba. And the children of Ammon gathered themselves together from their cities, and came to battle.(1 Chronicles 19:7)