Kings IV 11:2

2 And Josabee daughter of king Joram, sister of Ochozias, took Joas the son of her brother, and stole him from among the king's sons that were put to death, him and his nurse in the bedchamber, and hid him from the face of Gotholia, and he was not slain.

Kings IV 11:2 In-Context

1 And Gotholia the mother of Ochozias saw that her son was dead, and she destroyed all the seed royal.
2 And Josabee daughter of king Joram, sister of Ochozias, took Joas the son of her brother, and stole him from among the king's sons that were put to death, him and his nurse in the bedchamber, and hid him from the face of Gotholia, and he was not slain.
3 And he remained with her hid in the house of the Lord six years: and Gotholia reigned over the land.
4 And in the seventh year Jodae sent and took the captains of hundreds of the Chorri and of the Rhasim, and brought them to him into the house of the Lord, and made a covenant of the Lord with them, and adjured them, and Jodae shewed them the king's son.
5 And charged them, saying, This the thing which ye shall do.

The Brenton translation of the Septuagint is in the public domain.