Leviticus 18:14
Never have sexual intercourse with the wife of your father's brother. She, too, is your aunt.
Leviticus 20:20
Whoever has sexual intercourse with his uncle's wife violates his uncle's marriage. That man and woman are guilty of sin. They will die without children.
Treasury of Scripture Knowledge
Summary
Thou shalt not uncover the nakedness of thy father's brother, thou shalt not approach to his wife: she is thine aunt.
General references
Bible References
General references
Leviticus 20:20
Whoever has sexual intercourse with his uncle's wife violates his uncle's marriage. That man and woman are guilty of sin. They will die without children.