Ephesians 3:6

That the gentiles should be inheritors also, and of the same body, and partakers of his promise that is in Christ, by the means of the gospel,

Galatians 3:14

that the blessing of Abraham might come on the gentiles through Jesus Christ, and that we might receive the promise of the spirit through faith.

Romans 8:15-17

For ye have not received the spirit of bondage to fear anymore, but ye have received the spirit of adoption whereby we cry, "Abba father."

Romans 12:4-5

As we have many members in one body, and all members have not one office:

1 Corinthians 12:12

For as the body is one, and hath many members, and all the members of one body though they be many, yet are but one body: even so is Christ.

1 Corinthians 12:27

Ye are the body of Christ, and members one of another.

Galatians 4:5-7

to redeem them which were under the law: that we through election might receive the inheritance that belongeth unto the natural sons.

Ephesians 2:13-22

But now in Christ Jesus, ye which a while ago were far off, are made nigh by the blood of Christ.

Ephesians 4:15-16

But let us follow the truth in love, and in all things grow in him which is the head, that is to say Christ,

Ephesians 5:7

Be not, therefore, companions with them.

Ephesians 5:30

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

Colossians 2:19

and holdeth not the head: whereof all the body by joints and couples receiveth nourishment, and is knit together, and increaseth with the increasing that cometh of God.

1 John 1:3

That which we have seen and heard declare we unto you, that ye may have fellowship with us, and that our fellowship may be with the father, and his son Jesus Christ.

1 John 2:25

And this is the promise that he hath promised us, even eternal life.

Galatians 3:26-29

For ye are all the sons of God, by the faith which is 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 let us follow the truth in love, and in all things grow in him which is the head, that is to say Christ,
Ephesians 5:30
For we are members of his body, of his flesh, and of his bones.
Romans 12:4
As we have many members in one body, and all members have not one office:
1 Corinthians 12:12
For as the body is one, and hath many members, and all the members of one body though they be many, yet are but one body: even so is Christ.
Colossians 2:19
and holdeth not the head: whereof all the body by joints and couples receiveth nourishment, and is knit together, and increaseth with the increasing that cometh of God.

General references

Isaiah 19:23
Then shall there be a common way out of Egypt into Assyria. The Assyrians shall come into Egypt, and the Egyptians into Assyria. The Egyptians also and the Assyrians shall both have one God's service.
Luke 13:29
And they shall come from the east, and from the west, and from the north, and from the south, and shall sit down in the kingdom of God.
Romans 3:29
Is he the God of the Jews only? Is he not also the God of the gentiles? Yes, even of the Gentiles also.
Philippians 1:5
because of the fellowship which ye have in the gospel, from the first day unto now;