Acts 10:45

And those believers from the circumcision who had accompanied Peter were astonished that the gift of the Holy Spirit had been poured out even on the Gentiles,

Acts 10:23

So he invited them in [and] entertained them as guests, and on the next day he got up [and] went away with them. And some of the brothers from Joppa accompanied him.

Acts 2:38

And Peter [said] to them, "Repent and be baptized, each one of you, in the name of Jesus Christ for the forgiveness of your sins, and you will receive the gift of the Holy Spirit.

Acts 2:33

Therefore, having been exalted to the right hand of God and having received the promise of the Holy Spirit from the Father, he has poured out this that you see and hear.

Acts 11:3

saying, "You went to men {who were uncircumcised} and ate with them!"

Acts 11:15-18

And [as] I was beginning to speak, the Holy Spirit fell on them, just as also on us at the beginning.

Galatians 2:15

We [are] Jews by nature and not sinners from among the Gentiles,

Galatians 3:13-14

Christ redeemed us from the curse of the law [by] becoming a curse for us, because it is written, "Cursed [is] everyone who hangs on a tree,"

Ephesians 2:11

Therefore remember that formerly you, the Gentiles in [the] flesh, the so-called uncircumcision by the so-called circumcision in [the] flesh, made by hands,

Ephesians 3:5-8

(which in other generations was not made known to the sons of men as it has now been revealed to his holy apostles and prophets by the Spirit):

Colossians 2:13-14

And {although you were dead} in the trespasses and the uncircumcision of your flesh, he made you alive together with him, having forgiven us all our trespasses,

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 [are] Jews by nature and not sinners from among the Gentiles,
Ephesians 2:11
Therefore remember that formerly you, the Gentiles in [the] flesh, the so-called uncircumcision by the so-called circumcision in [the] flesh, made by hands,
Ephesians 3:5
(which in other generations was not made known to the sons of men as it has now been revealed to his holy apostles and prophets by the Spirit):
Colossians 2:13
And {although you were dead} in the trespasses and the uncircumcision of your flesh, he made you alive together with him, having forgiven us all our trespasses,