1 Chronicles 16:37-39

37So David left Asaph and his relatives there before the ark of the covenant of the Lord to minister before the ark continually, as each day’s work required;

38and Obed-edom with his sixty-eight relatives; also Obed-edom the son of Jeduthun, and Hosah, were to be gatekeepers.

39David left Zadok the priest and his relatives the priests before the dwelling place (tabernacle) of the Lord in the high place which was at Gibeon,