2 Kings 11:6
(a third shall also be at the [city] gate Sur, and a third at the gate behind the guards); so you shall keep watch over the palace [from three posts] for defense.
1 Chronicles 26:13-19
They cast lots, the small (younger) and great (older) alike, in accordance with their fathers’ households, for every gate.
2 Chronicles 23:4-5
This is what you shall do: a third of you, of the priests and Levites who are resuming service on the Sabbath, shall be gatekeepers,
Treasury of Scripture Knowledge
Summary
And a third part shall be at the gate of Sur; and a third part at the gate behind the guard: so shall ye keep the watch of the house, that it be not broken down.
The gate of sur
Bible References
The gate of sur
1 Chronicles 26:13
They cast lots, the small (younger) and great (older) alike, in accordance with their fathers’ households, for every gate.
2 Chronicles 23:4
This is what you shall do: a third of you, of the priests and Levites who are resuming service on the Sabbath, shall be gatekeepers,