GOD'S WORD® Translation
Your own members are aware that there is sexual sin going on among them. This kind of sin is not even heard of among unbelievers-a man is actually married to his father's wife.

American Standard Version
It is actually reported that there is fornication among you, and such fornication as is not even among the Gentiles, that one of you hath his father's wife.

Berean Study Bible
It is actually reported that there is sexual immorality among you, and of a kind that is intolerable even among pagans: A man has his father’s wife.

Douay-Rheims Bible
IT is absolutely heard, that there is fornication among you, and such fornication as the like is not among the heathens; that one should have his father's wife.

English Revised Version
It is actually reported that there is fornication among you, and such fornication as is not even among the Gentiles, that one of you hath his father's wife.

King James Bible
It is reported commonly that there is fornication among you, and such fornication as is not so much as named among the Gentiles, that one should have his father's wife.

World English Bible
It is actually reported that there is sexual immorality among you, and such sexual immorality as is not even named among the Gentiles, that one has his father's wife.

Young's Literal Translation
Whoredom is actually heard of among you, and such whoredom as is not even named among the nations -- as that one hath the wife of the father! --

1 Corinthians 5:1 Additional Translations ...