2 Samuel 16:22 - Matthew Poole's English Annotations on the Holy Bible

Upon the top of the house, to wit, of the king's palace, the very place from whence David had spied and gazed upon Bath-sheba, 2 Samuel 11:2. So that his sin was legible in the very place of his punishment. Unto his father's concubines, i.e. to one or some of them; and by so doing did further make claim to the kingdom as his own; and, as it were, take possession of it; it being usual in the eastern countries to account the wives and concubines of the late king to belong of right to the successor: See Poole on 2 Samuel 12:8. In the sight of all Israel; who saw him go into the tent, and thence concluded that he lay with them, as he had designed to do.