So he was hidden with her in the house of the LORD for six years, while Athaliah reigned over the land.
2 Kings 11:3
Surrounding context
11:2 But Jehosheba, the daughter of King Joram, sister of Ahaziah, took Joash the son of Ahaziah, and stole him away from among the king's sons who were being murdered; and they hid him and his nurse in the bedroom, from Athaliah, so that he was not killed.
11:3 So he was hidden with her in the house of the LORD for six years, while Athaliah reigned over the land.
11:4 In the seventh year Jehoiada sent and brought the captains of hundreds--of the bodyguards and the escorts--and brought them into the house of the LORD to him. And he made a covenant with them and took an oath from them in the house of the LORD, and showed them the king's son.