2 Peter 3:2

to be mindful of the words before spoken by the holy prophets, and of the commandment of us, the Apostles of the Lord and Saviour.

Revelation 12:1

And there appeared a great sign in heaven-a woman clothed with the sun, and the moon under her feet, and upon her head a crown of twelve stars;

Revelation 18:20

Rejoice over her, thou heaven, and you saints, and apostles, and prophets; for on your account God has pronounced sentence upon her.

Revelation 21:14

And the wall of the city had twelve foundations; and on them the names of the twelve Apostles of the Lamb.

Treasury of Scripture Knowledge

Summary

And when it was day, he called unto him his disciples: and of them he chose twelve, whom also he named apostles;

Bible References

Twelve

Revelation 12:1
And there appeared a great sign in heaven-a woman clothed with the sun, and the moon under her feet, and upon her head a crown of twelve stars;
Revelation 21:14
And the wall of the city had twelve foundations; and on them the names of the twelve Apostles of the Lamb.