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.
Berean Study Bible (BSB) - 1 Corinthians 5:1 >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.