Thy father’s brother, thou shalt not approach to his wife. — That is, according to the ancient legal interpretation, a nephew is to have no commerce with her during her husband’s lifetime, nor marry her when his uncle is dead. Those who transgressed this law had not only to bear their sin, but were doomed to die without issue. (See Leviticus 20:20.)
Related Commentaries of Leviticus 18:14
Leviticus 18:14
14 Thou shalt not uncover the nakedness of thy father's brother, thou shalt not approach to his wife: she is thine aunt.