Then Adonijah the son of Haggith exalted himself
This was his mother's name, ( 2 Samuel 3:4 ) ; his father David being old and infirm, and not like to live long, notable to oppose him; and he being the eldest son, and a comely person, was inspired with ambition to set up for king:
saying, I will be king;
though he knew that Solomon was appointed of God, and promised by David, and expected by the people to be king, yet he was resolved to set up himself for king, and try if he could not get himself to the throne; on this he was bent and determined:
and he prepared him chariots and horsemen, and fifty men to run before
just as Absalom had done, when he had the same thing in view, to make him respectable among the people, see ( 2 Samuel 15:1 ) .