'Let Us' in the Bible

He said to Judah, Let us make these towns, building walls round them with towers and doors and locks. The land is still ours, because we have been true to the Lord our God; we have been true to him and he has given us rest on every side. So they went on building and all went well for them.

Then Jehoshaphat said to the king of Israel, Let us now get directions from the Lord.

Then Amaziah, king of Judah, acting on the suggestion of his servants, sent to Joash, the son of Jehoahaz, the son of Jehu, king of Israel, saying, Come, let us have a meeting face to face.