Fourth Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
Chapter 11
2tollens autem Iosaba filia regis Ioram soror Ahaziae Ioas filium Ahaziae furata est eum de medio filiorum regis qui interficiebantur et nutricem eius de triclinio et abscondit eum a facie Athaliae ut non interficeretur
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.