Leviticus:20:11-12
jps@Leviticus:20:11 @ And the man that lieth with his father's wife--he hath uncovered his father's nakedness--both of them shall surely be put to death; their blood shall be upon them.
jps@Leviticus:20:12 @ And if a man lie with his daughter-in-law, both of them shall surely be put to death; they have wrought corruption; their blood shall be upon them.