Exodus 6:20 - And Amram took him Jochebed his father's sister H1733 to wife; and she bare him Aaron and Moses: and the years of the life of Amram were an hundred and thirty and seven years.
Leviticus 18:14 - Thou shalt not uncover the nakedness of thy father's brother, thou shalt not approach to his wife: she is thine aunt. H1733
Leviticus 20:20 - And if a man shall lie with his uncle's wife, H1733 he hath uncovered his uncle's nakedness: they shall bear their sin; they shall die childless.