John Gills Exposition of the Bible Commentary - 2 Samuel 21:21
And when he defied Israel ,.... The armies of Israel, as Goliath had done some years ago, 1 Samuel 17:10 , Jonathan the son of Shimea the brother of David slew him ; this brother of David is called Shammah, 1 Samuel 16:9 ; and Shimma, 1 Chronicles 2:13 ; this son of his is another man from Jonadab his son, who was famous for his subtlety as this was for his valour, 2 Samuel 13:3 . The Jews say F4 Hieron. Trad. Heb. fol. 76. D. this was Nathan the prophet, a son of Shammah. read more
Matthew Henry's Complete Commentary - 2 Samuel 21:15-22
We have here the story of some conflicts with the Philistines, which happened, as it should seem, in the latter end of David's reign. Though he had so subdued them that they could not bring any great numbers into the field, yet as long as they had any giants among them to be their champions, they would never be quiet, but took all occasions to disturb the peace of Israel, to challenge them, or make incursions upon them. I. David himself was engaged with one of the giants. The Philistines began... read more