1 Chronicles 9:22-25

The total number of those chosen to be gatekeepers at the thresholds was 212. They were registered by genealogy in their settlements. David and the seer Samuel had appointed them  to their trusted positions. So they and their sons were assigned as guards to the gates of the Lord’s temple, which had been the tent-temple. The gatekeepers were on the four sides: east, west, north, and south. Their relatives came from their settlements  at fixed times to be with them seven days,