1 Chronicles 23:32

23:32 They were in charge of the meeting tent and the holy place, and helped their relatives, the descendants of Aaron, in the service of the Lord’s temple.

1 Chronicles 26:12

26:12 These divisions of the gatekeepers, corresponding to their leaders, had assigned responsibilities, like their relatives, as they served in the Lord’s temple.

Isaiah 21:8

21:8 Then the guard cries out:

“On the watchtower, O sovereign master,

I stand all day long;

at my post

I am stationed every night.