Acts 10:45

And the Jews of the faith, who had come with Peter, were full of wonder, because the Holy Spirit was given to the Gentiles,

Acts 10:23

So he took them in for the night. And the day after, he went with them, taking some of the brothers from Joppa with him.

Acts 2:38

And Peter said, Let your hearts be changed, every one of you, and have baptism in the name of Jesus Christ, for the forgiveness of your sins; and you will have the Holy Spirit given to you.

Acts 2:33

And so, being lifted up to the right hand of God, and having the Father's word that the Holy Spirit would come, he has sent this thing, which now you see and have knowledge of.

Acts 11:3

Saying, You went to men without circumcision, and took food with them.

Acts 11:15-18

And, while I was talking to them, the Holy Spirit came on them, as on us at first.

Galatians 2:15

We being Jews by birth, and not sinners of the Gentiles,

Galatians 3:13-14

Christ has made us free from the curse of the law, having become a curse for us: because it is said in the Writings, A curse on everyone who is put to death by hanging on a tree:

Ephesians 2:11

For this reason keep it in mind that in the past you, the Gentiles in the flesh, who are looked on as being outside the circumcision by those who have circumcision, in the flesh, made by hands;

Ephesians 3:5-8

Which in other generations was not given to the sons of men, but the revelation of it has now been made to his holy Apostles and prophets in the Spirit;

Colossians 2:13-14

And you, being dead through your sins and the evil condition of your flesh, to you, I say, he gave life together with him, and forgiveness of all our sins;

Treasury of Scripture Knowledge

Summary

And they of the circumcision which believed were astonished, as many as came with Peter, because that on the Gentiles also was poured out the gift of the Holy Ghost.

Bible References

The gentiles

Galatians 2:15
We being Jews by birth, and not sinners of the Gentiles,
Ephesians 2:11
For this reason keep it in mind that in the past you, the Gentiles in the flesh, who are looked on as being outside the circumcision by those who have circumcision, in the flesh, made by hands;
Ephesians 3:5
Which in other generations was not given to the sons of men, but the revelation of it has now been made to his holy Apostles and prophets in the Spirit;
Colossians 2:13
And you, being dead through your sins and the evil condition of your flesh, to you, I say, he gave life together with him, and forgiveness of all our sins;

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain