Ephesians 3:6

that they who are of the nations should be joint heirs, and a joint body, and joint partakers of his promise in Christ Jesus by the glad tidings;

Galatians 3:14

that the blessing of Abraham might come to the nations in Christ Jesus, that we might receive the promise of the Spirit through faith.

Romans 8:15-17

For ye have not received a spirit of bondage again for fear, but ye have received a spirit of adoption, whereby we cry, Abba, Father.

Romans 12:4-5

For, as in one body we have many members, but all the members have not the same office;

1 Corinthians 12:12

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

1 Corinthians 12:27

Now ye are Christ's body, and members in particular.

Galatians 4:5-7

that he might redeem those under law, that we might receive sonship.

Ephesians 2:13-22

but now in Christ Jesus ye who once were afar off are become nigh by the blood of the Christ.

Ephesians 4:15-16

but, holding the truth in love, we may grow up to him in all things, who is the head, the Christ:

Ephesians 5:7

Be not ye therefore fellow-partakers with them;

Ephesians 5:30

for we are members of his body; we are of his flesh, and of his bones.

Colossians 2:19

and not holding fast the head, from whom all the body, ministered to and united together by the joints and bands, increases with the increase of God.

1 John 1:3

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

1 John 2:25

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

Galatians 3:26-29

for ye are all God's sons by 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, holding the truth in love, we may grow up to him in all things, who is the head, the Christ:
Ephesians 5:30
for we are members of his body; we are of his flesh, and of his bones.
Romans 12:4
For, as in one body we have many members, but all the members have not the same office;
1 Corinthians 12:12
For even as the body is one and has many members, but all the members of the body, being many, are one body, so also is the Christ.
Colossians 2:19
and not holding fast the head, from whom all the body, ministered to and united together by the joints and bands, increases with the increase of God.

General references

Isaiah 19:23
In that day shall there be a highway out of Egypt to Assyria; and the Assyrian shall come into Egypt, and the Egyptian into Assyria; and Egypt shall serve with Assyria.
Luke 13:29
And they shall come from east and west, and from north and south, and shall lie down at table in the kingdom of God.
Romans 3:29
Is God the God of Jews only? is he not of the nations also? Yea, of nations also:
Philippians 1:5
because of your fellowship with the gospel, from the first day until now;