Nehemiah 10
29 Ref They were united with their brothers, their rulers, and put themselves under a curse and an oath, to keep their steps in the way of God's law, which was given by Moses, the servant of God, and to keep and do all the orders of the Lord, our Lord, and his decisions and his rules;
30 Ref And that we would not give our daughters to the peoples of the lands, or take their daughters for our sons;