And lot had sex with both his daughters. By your logic, does that make incestuous sex OK?
Incestuous sex is immoral in cases where offspring are produced, because this can lead to an increased probability of genetic diseases occurring within the offspring of parents who are biologically closely related. I
"A high frequency of fumarase deficiency exists among the 10,000 members of the Fundamentalist Church of Jesus Christ of Latter Day Saints, a community which practices both endogamy and polygyny, where an estimated 75 to 80% of the community are blood relatives of just two men—founders John Y. Barlow and Joseph Smith Jessop."
Founder effect - Wikipedia
"The Colorado City/Hildale area has the world's highest incidence of fumarase deficiency, an extremely rare genetic condition. Geneticists attribute this to the prevalence of cousin marriage between descendants of two of the town's founders, Joseph Smith Jessop and John Yeates Barlow. It causes encephalopathy, severe intellectual disability, unusual facial features, brain malformation, and epileptic seizures."
https://en.wikipedia.org/wiki/Fundamenta...th_defects
I support the Law where nobody more closely related than third cousins can have sexual intercourse with each other.
I could be mistaken, but I think somewhere in the New Testament, Jesus may have opposed incestuous relationships.