a woman

Leviticus 20:14
If a man marries both a woman and her mother, it is depraved. Both he and they must be burned in the fire, so that there will be no depravity among you.

Deuteronomy 27:23
Cursed is he who sleeps with his mother-in-law.' And let all the people say, 'Amen!'

Amos 2:7
They trample on the heads of the poor as on the dust of the earth; they push the needy out of their way. A man and his father resort to the same girl and so profane My holy name.

it is wickedness

Leviticus 20:14
If a man marries both a woman and her mother, it is depraved. Both he and they must be burned in the fire, so that there will be no depravity among you.