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Incest in Noah’s family?
Why there’s no problem establishing the human population from the eight survivors of Noah’s Flood
Published: 16 April 2016 (GMT+10)
The Bible teaches that all people trace their ancestry back to Adam and Eve, which means that there must have been intermarriage between close family members in the earliest years. Numerous CMI resources, like The Creation Answers Book, explain why this is not morally or genetically problematic. But, after the Flood, the population was again reduced to a small number, so it’s helpful to address that scenario as well.
We recently received this question from James B. in the U.S., who was having difficulty understanding how Noah and his small family could give rise to everyone else.
Dear CMI … I have always been intrigued and even stumped over the question of repopulation of the earth following the flooding in the time of Noah. Was it just Noah and his three sons (and their wives) that repopulated the earth? Would that not have been incest / intermarriage of family? It’s a question that continues to baffle me and I haven’t found a reliable rational answer. Hoping you can put an end to my questioning mind! Blessings!
CMI’s Keaton Halley responds:
Hi James,
Thanks for the question.
I encourage you to read what we’ve written about Cain’s wife, because the principles we have spelled out there also apply to the post-Flood situation. See Who was Cain’s wife? and Is brother-sister intermarriage intrinsically immoral?, for example.
The term incest encompasses a range of behaviors, some of which have always been immoral like father-daughter incest (cf. Genesis 19:30–38), but others which would not have been inappropriate in early human history, like brother-sister marriage. Again, the above articles explain why.
In Noah’s case, then, there’s even less of a problem, because Noah’s grandchildren would not necessarily have had to marry siblings—only cousins. Shem, Ham, and Japheth brought wives on the Ark which were selected from the pre-Flood population, so they need not have been close relatives. Then, in the following generation, Shem’s children could have married the children of Ham or Japheth, and vice versa. But even if there was some brother-sister marriage following the Flood, even this would have been unproblematic, because God had not yet given laws forbidding such practices.
The Bible is clear that we all go back to Adam through the 8 people that survived the Flood, based on passages like Genesis 3:20; Acts 17:26; 1 Peter 3:20; and 2 Peter 2:5. So marriage between close relatives early on is required, but we can understand how this makes moral and scientific sense.
In fact, modern genetics helps to confirm that all human beings are very closely related, which is not what evolutionists expected. See our Genetics Q&A.
Readers’ comments
I think more about how Lot was the best man God could find in Sodom and Gomorrah. If the best honest man would go out the sticks and get blind drunk and have sex with both his daughters, giving rise to new tribes (blaming them for seducing him - like Adam blaming Eve) then imagine how horrific the bad people were.
As long as genes are good at creation there is no crime with any female and male marriage.
In any case, evolutionists would say that humans came into existence as a relatively large population, not just a single couple. If you go back far enough, evolutionists would say all those people are related to one another, but (unlike the biblical view) their common ancestor was not human. So while there may be some difficulties for them along these lines, they wouldn't be faced with the exact same scenario as Bible-believers.
Another example in behavior was that of marrying sisters in plural marriages. It was fine even up to the time of Jacob/Israel, but due to the troubles in that marriage, by the time of Moses it was discouraged.
«/ That is why a man leaves his father and mother and is united to his wife, and the two become one flesh. — Gn§2:24 /»
We know that today, despite our laws banning incest, marriages of brother and sister occasionally do occur. Sometimes those marriages are deliberate, but more often they are inadvertent, e.g. between siblings who did know, for whatever reason, that they were brother and sister. The fertility of the male-female reproductive system is not neutralised by laws banning incest.
Now homosexuals are often heard averring that their homosexual behaviour is normal because it is the consequence of the evolution/mutation of some reproductive gene. Actually, even by the theory of evolution same gender marriage/unions are abnormal, because with it the evolution of the species stops dead in one generation.
Which brings us to the question: Why does Evolutionism on the right hand embrace those laws in the Bible which ban incest (which can propagate the human species), but on the left hand nullify those laws in the Bible which ban homosexual relations (which contradict the law of Evolution)?
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