2 Kings 11:2

11:2 So Jehosheba, the daughter of King Joram and sister of Ahaziah, took Ahaziah’s son Joash and sneaked him away from the rest of the royal descendants who were to be executed. She hid him and his nurse in the room where the bed covers were stored. So he was hidden from Athaliah and escaped execution.

2 Kings 15:25

15:25 His officer Pekah son of Remaliah conspired against him. He and fifty Gileadites assassinated Pekahiah, as well as Argob and Arieh, in Samaria in the fortress of the royal palace. Pekah then took his place as king.