Jezebel's story is told in II Kings. Elisha the prophet called upon Jehu to "avenge the blood of my servants the prophets, and the blood of all the servants of the Lord, at the hand of Jezebel. For the whole house of Ahab shall perish...and the dogs shall eat Jezebel ...and there shall be none to bury her."
Jehu reached Jezebel's palace and called out "Who is on my side?" Two of Jezebel's servants apparently were, because they threw her out the window "and some of her blood was sprinkled on the wall, and on the horses." Jehu went in to eat and drink, after which he sent someone to bury Jezebel, since she was a King's daughter. "But they found no more of her than the skull, and the feet, and the palms of her hands." This was attributed to the prophesy that dogs would eat Jezebel.
Jehu's slaying of King Ahab's family and household is further detailed in II Kings. In addition, Jehu sent word through all of Israel for the worshippers of Baal to come to a "solemn assembly for Baal." When all the worshippers had gathered in the temple he had them slaughtered. "Thus Jehu destroyed Baal out of Israel."