KJV - 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.
ASV - 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.
BBE - It is said, in fact, that there is among you a sin of the flesh, such as is not seen even among the Gentiles, that one of you has his father's wife.
WEB - 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.
YLT - 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! --