וַיִּרְכַּ֤ב יֵהוּא֙ וַיֵּ֣לֶךְ יִזְרְעֶ֔אלָה כִּ֥י יוֹרָ֖ם שֹׁכֵ֣ב שָׁ֑מָּה וַֽאֲחַזְיָה֙ מֶ֣לֶךְ יְהוּדָ֔ה יָרַ֖ד לִרְא֥וֹת אֶת־יוֹרָֽם׃
So Jehu rode in a chariot, and went to Jezreel; for Joram lay there. And Ahaziah king of Judah was come down to see Joram.
Read halakhic rulings (Jewish law) on II Kings 9:16: and classical halakhic sources.