1 Samuel 10:14 - Ellicott's Commentary On The Whole Bible

Saul’s uncle. — Most probably, this uncle was the subsequently famous Abner — so Ewald, Josephus, and others. Kish, the father of Saul, a quiet, plain man, evidently was quite content that his beasts were found, and that his son had returned in safety and so asks no curious questions about his son’s journey. Not so Abner, who was a restless, ambitious man, and who, very probably, had heard something already from the servant who accompanied Saul (traditionally supposed to have been Doeg) of the strange honours paid to his nephew by the great and revered judge of Israel, the famous Samuel, and also of the long private interview between them. Abner, the uncle of the future king, an observant man, might well have been struck with the change that had passed over his nephew since he had last seen him; hence his question, “Tell me what Samuel said unto you?”