The Tribes of Israel were Twelve in Number
Source: TTT
Genesis 49:28
These are the tribes of Israel, twelve in all, and this was what their father said to them. He blessed them, and he blessed each one with a suitable blessing.
Acts 26:12
In this pursuit I was on my way to Damascus with the authority and commission of the chief priests.
James 1:1
James, a servant of God and of the Lord Jesus Christ, To the twelve tribes of the Dispersion: Greetings.