NET

1 It is actually reported that sexual immorality exists among you, the kind of immorality that is not permitted even among the Gentiles, so that someone is cohabiting with his father’s wife.

Darby

Dealing with Sins in the Chruch - Church Discipline

1 It is universally reported^D8254 [that there is] fornication among you, and such fornication as [is] not even among the nations, so that one should have his father's wife.

Darby Bible Notes

reported - This does not quite give the sense. It was the reputation they had by common report.

KJV

Dealing with Sins in the Chruch - Church Discipline

1 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.

Strong's

1 It is reported^G191 commonly^G3654 that there there is fornication^G4202 among^G1722 you^G5213, and^G2532 such^G5108 fornication^G4202 as^G3748 is^G3687 not so much^G3761 as named^G3687 among^G1722 the Gentiles^G1484, that^G5620 one^G5100 should have^G2192 his father's^G3962 wife^G1135.