II Chronicles 20:35 Halakhah

וְאַחֲרֵיכֵ֗ן אֶתְחַבַּר֙ יְהוֹשָׁפָ֣ט מֶֽלֶךְ־יְהוּדָ֔ה עִ֖ם אֲחַזְיָ֣ה מֶֽלֶךְ־יִשְׂרָאֵ֑ל ה֖וּא הִרְשִׁ֥יעַ לַעֲשֽׂוֹת׃

And after this did Jehoshaphat king of Judah join himself with Ahaziah king of Israel; the same did very wickedly;