Leviticus 18:9 Do not have intercourse with your sister or your stepsister, whether or not she was brought up in the same house with you. | Good News Bible (British) with DC section 2017 (GNBDC)

Leviticus 18:9 GNBDC

Do not have intercourse with your sister or your stepsister, whether or not she was brought up in the same house with you.

Read Leviticus 18