Romans 9:25-26
God said this also, in Hosea [2:23], "I [i.e., God] will call those people mine who were not [previously] my people. And [I will call] her 'dearly loved' who was not [previously] loved."
Acts 8:1-4
And Saul was in full agreement with Stephen being put to death. And a great persecution broke out against the Jerusalem church, and all the disciples, except the apostles, were scattered throughout the districts of Judea and Samaria.
Romans 3:29
Or is God the God of the Jews only? Is He not the God of the Gentiles also? Yes, [indeed], of the Gentiles also,
Romans 11:30-32
For you Gentiles were disobedient to God in the past, but now you have obtained [God's] mercy by means of the disobedience of the Jews.
Romans 15:9-11
and so that the Gentiles [also] may honor God for His mercy, as it is written [Psa. 18:49], "Therefore, I will praise you among the Gentiles and sing to your name." [Note: Paul here accommodates the words of King David by applying them to Jews participating with Gentiles in praising God as part of the one body].
1 Thessalonians 1:9-10
For those people themselves report on what kind of a reception we had from you, and how you people turned to God from idols, to serve a living and true God.
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].
1 Peter 1:1-2
[This is being written by] Jesus' apostle Peter, to God's people who are scattered throughout the countries of Pontus, Galatia, Cappadocia, Asia and Bithynia. [Note: These places are located in present-day Turkey].
1 Peter 2:9-10
But you people are especially chosen [by God]; you are a royal body of priests; you are a nation especially set apart for God's use; you are a people who belong exclusively to God, that you may express the virtues of the One who called you out of darkness [i.e., of sin and error], and into His marvelous light [i.e., righteousness and truth].
Revelation 21:3-4
And I heard a loud voice from the throne saying, "Look, the Tabernacle of God [i.e., God's presence] is with people and He will live with them, and they will be His people, and God Himself will be among them {{Some ancient manuscripts add "and will be their God"}}.