Revelation 7:5
Of the tribe of Judah were sealed twelve thousand. Of the tribe of Reuben were sealed twelve thousand. Of the tribe of Gad were sealed twelve thousand.
Exodus 1:2-4
Reuben, Simeon, Levi, and Judah,
Numbers 1:4-15
And with you there shall be a man of every tribe; every one head of the house of his fathers.
Numbers 10:14-27
In the first place went the standard of the camp of the children of Judah according to their armies: and over its host was Nahshon the son of Amminadab.
Numbers 13:4-16
And these were their names: of the tribe of Reuben, Shammua the son of Zaccur.
1 Corinthians 2:1-2
And I, brethren, when I came to you, came not with excellency of speech or of wisdom, declaring unto you the testimony of God.