Exodus 6:20 And Amram took Jochebed his aunt as wife; and she bore him Aaron and Moses. And the years of the life of Amram were a hundred and thirty-seven years. (DBY YLT)
Leviticus 18:14 "'You shall not uncover the nakedness of your father's brother, you shall not approach his wife: she is your aunt. (WEB KJV JPS ASV DBY WBS YLT NAS RSV NIV)
Leviticus 20:20 And if a man lie with his aunt, he hath uncovered his uncle's nakedness: their sin shall they bear: they shall die childless. (DBY YLT NIV)