וַיָּסֹ֙בּוּ֙ בִּֽיהוּדָ֔ה וַיִּקְבְּצ֤וּ אֶת־הַלְוִיִּם֙ מִכָּל־עָרֵ֣י יְהוּדָ֔ה וְרָאשֵׁ֥י הָאָב֖וֹת לְיִשְׂרָאֵ֑ל וַיָּבֹ֖אוּ אֶל־יְרוּשָׁלִָֽם׃
And they went about in Judah, and gathered the Levites out of all the cities of Judah, and the heads of fathers’houses of Israel, and they came to Jerusalem.
Read midrashic interpretation of II Chronicles 23:2: and classical rabbinic exegesis.