10:13 brethren of Ahaziah. According to II Chronicles 21:17, the Philistines had already slain all the sons of King Jehoram of Judah, except Jehoahaz, the youngest son (Jehoahaz is the same as Ahaziah). Therefore the “brethren of Ahaziah” who were slain by Jehu (II Kings 10:14) were “brethren” in a generic sense—that is, nephews, cousins, etc.