Ephesians 3:6

that the Gentiles are fellow heirs, and fellow members of the body, and fellow partakers of his promise in Christ Jesus through the Good News,

Galatians 3:14

that the blessing of Abraham might come on the Gentiles through Christ Jesus; that we might receive the promise of the Spirit through faith.

Romans 8:15-17

For you didn't receive the spirit of bondage again to fear, but you received the Spirit of adoption, by whom we cry, "Abba! Father!"

Romans 12:4-5

For even as we have many members in one body, and all the members don't have the same function,

1 Corinthians 12:12

For as the body is one, and has many members, and all the members of the body, being many, are one body; so also is Christ.

1 Corinthians 12:27

Now you are the body of Christ, and members individually.

Galatians 4:5-7

that he might redeem those who were under the law, that we might receive the adoption of children.

Ephesians 2:13-22

But now in Christ Jesus you who once were far off are made near in the blood of Christ.

Ephesians 4:15-16

but speaking truth in love, we may grow up in all things into him, who is the head, Christ;

Ephesians 5:7

Therefore don't be partakers with them.

Ephesians 5:30

because we are members of his body, of his flesh and bones.

Colossians 2:19

and not holding firmly to the Head, from whom all the body, being supplied and knit together through the joints and ligaments, grows with God's growth.

1 John 1:3

that which we have seen and heard we declare to you, that you also may have fellowship with us. Yes, and our fellowship is with the Father, and with his Son, Jesus Christ.

1 John 2:25

This is the promise which he promised us, the eternal life.

Galatians 3:26-29

For you are all children of God, through faith in Christ Jesus.

Treasury of Scripture Knowledge

Summary

That the Gentiles should be fellowheirs, and of the same body, and partakers of his promise in Christ by the gospel:

Bible References

The same

Ephesians 4:15
but speaking truth in love, we may grow up in all things into him, who is the head, Christ;
Ephesians 5:30
because we are members of his body, of his flesh and bones.
Romans 12:4
For even as we have many members in one body, and all the members don't have the same function,
1 Corinthians 12:12
For as the body is one, and has many members, and all the members of the body, being many, are one body; so also is Christ.
Colossians 2:19
and not holding firmly to the Head, from whom all the body, being supplied and knit together through the joints and ligaments, grows with God's growth.

General references

Isaiah 19:23
In that day there will be a highway out of Egypt to Assyria, and the Assyrian shall come into Egypt, and the Egyptian into Assyria; and the Egyptians will worship with the Assyrians.
Luke 13:29
They will come from the east, west, north, and south, and will sit down in the Kingdom of God.
Romans 3:29
Or is God the God of Jews only? Isn't he the God of Gentiles also? Yes, of Gentiles also,
Philippians 1:5
for your partnership in furtherance of the Good News from the first day until now;