Exodus 6:20

20 aAmram took as his wife Jochebed his father’s sister, and she bore him Aaron and Moses, the years of the life of Amram being 137 years.

Leviticus 18:12

12You shall not uncover the nakedness of your father’s sister; she is your father’s relative.

Numbers 26:59

59The name of Amram’s wife was bJochebed the daughter of Levi, who was born to Levi in Egypt. And she bore to Amram Aaron and Moses and Miriam their sister.
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