Nehemiah 10:28-29

28And the rest of the people, the priests, the Levites, the porters, the singers, the Nethinim, and all they that had separated themselves from the peoples of the lands unto the law of God, their wives, their sons, and their daughters, every one that had knowledge and understanding;

29They clave to their brethren, their nobles, and entered into a curse, and into an oath, to walk in God’s law, which was given by Moses the servant of God, and to observe and to do all the commandments of the LORD our Lord, and his judgments and his statutes;