Acts 26:7

This is the promise our twelve tribes [i.e., family groups], who earnestly serve God night and day, hope to see fulfilled. It is because [I advocate] this hope, O King, that I am being charged [with wrongdoing] by the Jews.

Revelation 7:4

Then I heard the number of those who were sealed. [It was] one hundred forty-four thousand [in all] from every tribe of the Israelites [Note: This could refer to Christians of Jewish descent].

James 1:1

[This letter is from] James, a slave of God and of the Lord Jesus Christ, [who sends] greetings to the twelve tribes which are scattered throughout the world. [Note: This refers to Christians, probably of Jewish descent].

Treasury of Scripture Knowledge

Summary

All these are the twelve tribes of Israel: and this is it that their father spake unto them, and blessed them; every one according to his blessing he blessed them.

Bible References

Every one

Acts 26:7
This is the promise our twelve tribes [i.e., family groups], who earnestly serve God night and day, hope to see fulfilled. It is because [I advocate] this hope, O King, that I am being charged [with wrongdoing] by the Jews.
James 1:1
[This letter is from] James, a slave of God and of the Lord Jesus Christ, [who sends] greetings to the twelve tribes which are scattered throughout the world. [Note: This refers to Christians, probably of Jewish descent].
Revelation 7:4
Then I heard the number of those who were sealed. [It was] one hundred forty-four thousand [in all] from every tribe of the Israelites [Note: This could refer to Christians of Jewish descent].