Exode 2:1
And there went a man of the house of Levi, and took to wife a daughter of Levi.
Exode 2:2
And the woman conceived, and bare a son: and when she saw him that he was a goodly child, she hid him three months.
Exode 6:20
And Amram took him Jochebed his father's sister 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.
Lévitique 18:12
Thou shalt not uncover the nakedness of thy father's sister: she is thy father's near kinswoman.