Nehemiah 13:21-23

21 until I warned them, “Why are you spending the night by the wall? Do it again, and I’ll use force against you!” From then on they stopped coming on Shabbat.

22 Then I ordered the L’vi’im to purify themselves and come and guard the gates, in order to keep the day of Shabbat holy. My God, remember this too for me, and have mercy on me in keeping with the greatness of your grace!

23 Also during this time I saw the Judeans who had married women from Ashdod, ‘Amon and Mo’av;