Revelation 7:5

out of the tribe of Juda, twelve thousand sealed; out of the tribe of Reuben, twelve thousand; out of the tribe of Gad, twelve thousand;

Exodus 1:2-4

Reuben, Simeon, Levi, and Judah;

Numbers 1:4-15

And with you there shall be a man for every tribe, a man who is the head of his father's house.

Numbers 10:14-27

The standard of the camp of the children of Judah set forward first according to their hosts, and over his host was Nahshon the son of Amminadab;

Numbers 13:4-16

And these are their names: for the tribe of Reuben, Shammua the son of Zaccur;

1 Corinthians 2:1-2

And I, when I came to you, brethren, came not in excellency of word, or wisdom, announcing to you the testimony of God.

Treasury of Scripture Knowledge

Summary

Of the tribe of Juda were sealed twelve thousand. Of the tribe of Reuben were sealed twelve thousand. Of the tribe of Gad were sealed twelve thousand.

General references

Bible References

Tribe of juda

Exodus 1:2
Reuben, Simeon, Levi, and Judah;
Numbers 1:4
And with you there shall be a man for every tribe, a man who is the head of his father's house.
Numbers 10:14
The standard of the camp of the children of Judah set forward first according to their hosts, and over his host was Nahshon the son of Amminadab;
Numbers 13:4
And these are their names: for the tribe of Reuben, Shammua the son of Zaccur;
1 Corinthians 2:1
And I, when I came to you, brethren, came not in excellency of word, or wisdom, announcing to you the testimony of God.

General references

Exodus 1:1
And these are the names of the sons of Israel who had come into Egypt; with Jacob had they come, each with his household: