"You shall not uncover the nakedness of your father's sister"—Leviticus 18:12.
It is forbidden to have incestuous relations with one's father's sister.
"You shall not uncover the nakedness of your mother's sister"—Leviticus 18:13.
It is forbidden to have incestuous relations with one's mother's sister.
"You shall not come near his wife; she is your aunt"—Leviticus 18:14.
It is forbidden to have incestuous relations with one's father's brother's wife.
"You shall not uncover the nakedness of your daughter-in-law"—Leviticus 18:15.
It is forbidden to have incestuous relations with one's daughter-in-law.
"You shall not uncover the nakedness of your brother's wife"—Leviticus 18:16.
It is forbidden to have incestuous relations with one's brother's wife.
"And you shall not take a woman with her sister"—Leviticus 18:18.
It is forbidden to have incestuous relations with one's wife's sister—as long as the wife is alive [i.e. after her death, it is permitted to marry her sister].