1 Kings 1:5-6

About that time David’s son Adonijah, whose mother was Haggith, began boasting, “I will make myself king.” So he provided himself with chariots and charioteers and recruited fifty men to run in front of him. Now his father, King David, had never disciplined him at any time, even by asking, “Why are you doing that?” Adonijah had been born next after Absalom, and he was very handsome.