בְּנֵ֥י עַמְרָ֖ם אַהֲרֹ֣ן וּמֹשֶׁ֑ה וַיִּבָּדֵ֣ל אַהֲרֹ֡ן לְֽהַקְדִּישׁוֹ֩ קֹ֨דֶשׁ קָֽדָשִׁ֤ים הֽוּא־וּבָנָיו֙ עַד־עוֹלָ֔ם לְהַקְטִיר֩ לִפְנֵ֨י יְהוָ֧ה לְשָׁרְת֛וֹ וּלְבָרֵ֥ךְ בִּשְׁמ֖וֹ עַד־עוֹלָֽם׃
The sons of Amram: Aaron and Moses; and Aaron was separated, that he should be sanctified as most holy, he and his sons for ever, to offer before the LORD, to minister unto Him, and to bless in His name for ever.
Read halakhic rulings (Jewish law) on I Chronicles 23:13 from the Mishneh Torah and classical halakhic sources, free online.