II Kings 17:1 Halakhah

בִּשְׁנַת֙ שְׁתֵּ֣ים עֶשְׂרֵ֔ה לְאָחָ֖ז מֶ֣לֶךְ יְהוּדָ֑ה מָ֠לַךְ הוֹשֵׁ֨עַ בֶּן־אֵלָ֧ה בְשֹׁמְר֛וֹן עַל־יִשְׂרָאֵ֖ל תֵּ֥שַׁע שָׁנִֽים׃

In the twelfth year of Ahaz king of Judah began Hoshea the son of Elah to reign in Samaria over Israel, and reigned nine years.

Read halakhic rulings (Jewish law) on II Kings 17:1: and classical halakhic sources.