זָכְרָ֥ה לָהֶ֖ם אֱלֹהָ֑י עַ֚ל גָּאֳלֵ֣י הַכְּהֻנָּ֔ה וּבְרִ֥ית הַכְּהֻנָּ֖ה וְהַלְוִיִּֽם׃
Remember them, O my God, because they have defiled the priesthood, and the covenant of the priesthood, and of the Levites.
Read halakhic rulings (Jewish law) on Nehemiah 13:29: and classical halakhic sources.