1 Chronicles 9:18-19

18being stationed at the King’s Gate on the east, up to the present time. These were the gatekeepers belonging to the camp of the Levites.

19Shallum son of Kore, the son of Ebiasaph, the son of Korah, and his fellow gatekeepers from his family (the Korahites) were responsible for guarding the thresholds of the tent just as their ancestors had been responsible for guarding the entrance to the dwelling of the Lord.