Deuteronomy 22:30
A man shall not take his father's wife, nor discover his father's skirt.
ā The Restored Word Bible
Context
28 If a man find a damsel a virgin, which is not betrothed, and lay hold on her, and lie with her, and they be found;
29 Then the man that lay with her shall give unto the damsel's father fifty of silver, and she shall be his wife; because he has humbled her, he may not put her away all his days.
30 A man shall not take his father's wife, nor discover his father's skirt.