thy father's sake. So with God's grace to us; not for the sake of the lost one.
Saul thy father. Saul thy grandfather.
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.