Nehemiah 12:25

Mattaniah, and Bakbukiah, Obadiah, Meshullam, Talmon, Akkub, were gatekeepers keeping the watch at the storehouses of the gates.

1 Chronicles 9:14-17

And of the Levites; Shemaiah the son of Hasshub, the son of Azrikam, the son of Hashabiah, of the sons of Merari;

1 Chronicles 23:32

And that they should attend to the needs of the tabernacle of meeting, and the needs of the holy place, and the needs of the sons of Aaron their brethren, in the service of the house of the LORD.

1 Chronicles 26:12

Among these were the divisions of the gatekeepers, even among the chief men, having duties like one another, to minister in the house of the LORD.

1 Chronicles 26:15

To Obed-edom southward; and to his sons the storehouse.

Nehemiah 11:17-19

And Mattaniah the son of Mica, the son of Zabdi, the son of Asaph, was the leader to begin the thanksgiving in prayer: and Bakbukiah the second among his brethren, and Abda the son of Shammua, the son of Galal, the son of Jeduthun.

Nehemiah 12:8-9

Moreover the Levites: Jeshua, Binnui, Kadmiel, Sherebiah, Judah, and Mattaniah, who was over the thanksgiving, he and his brethren.

Isaiah 21:8

And he cried, A lion: My lord, I stand continually upon the watchtower in the daytime, and I am stationed in my post whole nights:

Treasury of Scripture Knowledge

Summary

Mattaniah, and Bakbukiah, Obadiah, Meshullam, Talmon, Akkub, were porters keeping the ward at the thresholds of the gates.

Bible References

Keeping

1 Chronicles 23:32
And that they should attend to the needs of the tabernacle of meeting, and the needs of the holy place, and the needs of the sons of Aaron their brethren, in the service of the house of the LORD.
1 Chronicles 26:12
Among these were the divisions of the gatekeepers, even among the chief men, having duties like one another, to minister in the house of the LORD.
Isaiah 21:8
And he cried, A lion: My lord, I stand continually upon the watchtower in the daytime, and I am stationed in my post whole nights: