1 Chronicles 9:22-25

All these, who were chosen as gatekeepers at the thresholds, were 212. They were enrolled by genealogies in their villages. David and Samuel the seer established them in their office of trust. So they and their sons were in charge of the gates of the house of the LORD, that is, the house of the tent, as guards. The gatekeepers were on the four sides, east, west, north, and south. And their kinsmen who were in their villages were obligated to come in every seven days, in turn, to be with these