Nahash

David said, "I will show grace to Hanun the son of Nachash, as his father showed grace to me." So David sent his servants to pass him a message of comfort concerning his father. David's servants entered the territory of the people of 'Amon;

Some time later, when Nachash the king of the people of 'Amon died, his son became king in his place.

David said, "I will be kind to Hanun the son of Nachash, because his father showed grace to me." So David sent messengers to comfort him about his father. David's servants entered the territory of the people of 'Amon to go to Hanun and comfort him;