1 Kings 1:5, 24

Then Adonijah the son of [David’s wife] Haggith exalted himself, saying, “I [the eldest living son] will be king.” So [following Absalom’s example] he prepared for himself chariots and horsemen, and fifty men to run before him. [2 Sam 15:1]

Then Nathan said, “My lord the king, have you said, ‘Adonijah shall be king after me, and he shall sit on my throne’?