Leviticus 20:19

New International Version

“ ‘Do not have sexual relations with the sister of either your mother or your father, for that would dishonor a close relative; both of you would be held responsible.

Cross References

Exodus 6:20

Amram married his father’s sister Jochebed, who bore him Aaron and Moses. Amram lived 137 years.

Leviticus 18:6

“ ‘No one is to approach any close relative to have sexual relations. I am the Lord.