Leviticus 20:19

20:19 You must not expose the nakedness of your mother’s sister and your father’s sister, for such a person has laid bare his own close relative. They must bear their punishment for iniquity.

Exodus 6:20

6:20 Amram married his father’s sister Jochebed, and she bore him Aaron and Moses. (The length of Amram’s life was 137 years.)