1 Kings 2:23

Overview - 1 Kings 2
David, having given a charge to Solomon,
of religiousness;
of Joab;
of Barzillai;
of Shimei;
10 dies.
12 Solomon succeeds.
13 Adonijah, moving Bath-sheba to sue unto Solomon for Abishag, is put to death.
26 Abiathar, having his life given him, is deprived of the priesthood.
28 Joab fleeing to the horns of the altar, is there slain.
35 Benaiah is put in Joab's room, and Zadok in Abiathar's.
36 Shimei, confined to Jerusalem, by occasion of going thence to Gath, is put to death.
Treasury of Scripture Knowledge

1 Kings 2:23  (King James Version)
Then king Solomon sware by the LORD, saying, God do so to me, and more also, if Adonijah have not spoken this word against his own life.

20:10 Ruth 1:17 ; 1 Samuel 14:44 ; 2 Samuel 3:9 2 Samuel 3:35 ; 19:13 2 Kings 6:31

if Adonijah
We have already seen, that the whole harem of an eastern monarch was a part of the regal succession (See note on 2 ; Sa 16:23 and it was treason for a subject to claim any wife or
virgin who had once formed a part of it. Solomon evidently considered the request of Adonijah in this light; and was convinced that he was still aiming to seize the crown, to which he considered this as one step. But it is very doubtful, how far the plea either of policy or state necessity can justify Solomon in thus embruing his hands in his brother's blood, whatever might have been his treasonable intentions or conduct.* spoken.
Ps 64:8 140:9 Pr 18:6,7 Ec 10:12 Lu 19:22