II Chronicles 17:19 Midrash

אֵ֖לֶּה הַמְשָׁרְתִ֣ים אֶת־הַמֶּ֑לֶךְ מִלְּבַ֞ד אֲשֶׁר־נָתַ֥ן הַמֶּ֛לֶךְ בְּעָרֵ֥י הַמִּבְצָ֖ר בְּכָל־יְהוּדָֽה׃ (פ)

These were they that waited on the king beside those whom the king put in the fortified cities throughout all Judah.

Read midrashic interpretation of II Chronicles 17:19: and classical rabbinic exegesis.