All the land of Saul is now seized and possessed by David, as due to him, either in right of his wife, to whom the inheritance was devolved, Saul's sons by his wives being all dead; see Numbers 27:8; or by Divine donation, as belonging to the crown which God had now given him; or by forfeiture, because of Ish-bosheth's rebellion against his lord and king.
Related Commentaries of 2 Samuel 9:7
2 Samuel 9:7
7 And David said unto him, Fear not: for I will surely shew thee kindness for Jonathan thy father's sake, and will restore thee all the land of Saul thy father; and thou shalt eat bread at my table continually.