2 Samuel 10:2,3
Then said David, I will show kindness to Hanun the son of Nahash, as his father showed kindness to me. And David sent to comfort him by the hand of his servants for his father. And David's servants came into the land of the children of Ammon.
Nave's Topical Index—AKJV

1 Chronicles 19:3,4
But the princes of the children of Ammon said to Hanun, Think you that David does honor your father, that he has sent comforters to you? are not his servants come to you for to search, and to overthrow, and to spy out the land?
Nave's Topical Index—AKJV