1 Chronicles 19:2

19:2 David said, “I will express my loyalty to Hanun son of Nahash, for his father was loyal to me.” So David sent messengers to express his sympathy over his father’s death. When David’s servants entered Ammonite territory to visit Hanun and express the king’s sympathy,

1 Chronicles 19:4

19:4 So Hanun seized David’s servants and shaved their beards off. He cut off the lower part of their robes so that their buttocks were exposed and then sent them away.

1 Chronicles 19:6

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.