30 most certainly as I swore to you by Yahweh, the God of Israel, saying, ‘Assuredly Solomon your son shall reign after me, and he shall sit on my throne in my place;’ I will most certainly do this today.”
1 Kings 1:30 Cross References - WEB
1 Kings 1:13
13 Go in to king David, and tell him, ‘Didn’t you, my lord, king, swear to your servant, saying, “Assuredly Solomon your son shall reign after me, and he shall sit on my throne?” Why then does Adonijah reign?’
1 Kings 1:17
17 She said to him, “My lord, you swore by Yahweh your God to your servant, ‘Assuredly Solomon your son shall reign after me, and he shall sit on my throne.’