Ephesians 3:6

namely, that in Christ Jesus the Gentiles form one body with us the Jews, and are coheirs and copartners in the promise, through the gospel.

Galatians 3:14

to the end that in Christ Jesus the blessing of Abraham might come upon the Gentiles, so that through faith we might receive the promised Spirit.

Romans 8:15-17

For you have not received a spirit of slavery in order that you should once more be afraid; but you have received a spirit of adoption, in which we cry out, "My Father, my dear Father!"

Romans 12:4-5

For even as we have many members in one body, and not all members have the same function;

1 Corinthians 12:12

For just as the body is one and has many members, and all the members of the body, although they be many, are one body; so also is Christ.

1 Corinthians 12:27

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

Galatians 4:5-7

to redeem from captivity those under law, in order that we might receive our sonship.

Ephesians 2:13-22

But now in Christ Jesus you who once were far away have been brought near in the blood of Christ.

Ephesians 4:15-16

but holding the truth in love we shall grow up in every part into him who is our Head, even Christ.

Ephesians 5:7

therefore do not become sharers with them.

Ephesians 5:30

for we are members of his body.

Colossians 2:19

instead of keeping connection with the Head from the whole body draws nourishment for all its needs by the joints which bind it; and is knit together, and grows with a divine growth.

1 John 1:3

It is what we have seen and heard that we are announcing to you, in order that you also may have partnership with us; and our partnership is with the Father and with his Son, Jesus Christ.

1 John 2:25

And this is the promise which he has promised to us even life eternal.

Galatians 3:26-29

You are all sons of God through your faith in Jesus Christ.

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 holding the truth in love we shall grow up in every part into him who is our Head, even Christ.
Ephesians 5:30
for we are members of his body.
Romans 12:4
For even as we have many members in one body, and not all members have the same function;
1 Corinthians 12:12
For just as the body is one and has many members, and all the members of the body, although they be many, are one body; so also is Christ.
Colossians 2:19
instead of keeping connection with the Head from the whole body draws nourishment for all its needs by the joints which bind it; and is knit together, and grows with a divine growth.

General references

Luke 13:29
"And people shall come from the Orient and from the Occident, from the north and from the south, and sit down in the kingdom of God.
Romans 3:29
Is God then the God of the Jews alone, and not of the Gentiles also? He is God of the Gentiles also,
Philippians 1:5
from the first day you heard it until now.