Zechariah 12:11

like the mourning of Hadadrimmon in the Valley of Megiddon Hadadrimmon has no connection to the Valley of Megiddon. These are, rather, two cases of mourning. [The first is] like the mourning of Ahab the son of Omri, who was slain by Hadadrimmon the son of Tabrimmon in Ramoth Gilead, as it is stated (I Kings 22:36): “A cry passed through the camp.” That is the mourning [of Ahab. The second case is] like the mourning of Josiah the son of Amon, who was slain by Pharoah the lame in the Valley of Megiddon, as it is stated (II Chron. 35:25): “And Jeremiah lamented for Josiah, and all the singing men and singing women spoke in their laments, etc.”

And just as a person would say about his firstborn son that he will die, and the mourning over him in Jerusalem will be like the mourning for Hadad-Rimmon in the Valley of Megiddo, which was a great and famous mourning among them in ancient times. Jonathan understood that there is no connection to Hadad-Rimmon in the Valley of Megiddo, and therefore he interpreted that there are two types of mourning: one like the mourning for Ahab, son of Omri, whom Hadad-Rimmon, son of Tabramon, killed, and the other like the mourning for Josiah, son of Amon, whom Pharaoh Necho killed in the Valley of Megiddo, as it is said, "And Jeremiah lamented, and all the officials and the women mourned in their mourning," and so it was interpreted in the first chapter of Megillah (Daf 3a).