How was the earth populated?

My friend ask me how the earth was populated. He asked me if Adam and Eve children inter- married each other, and was this considered incest?

Tom,

The following links should assist you in better understanding the Catholic Church’s teaching on the origins of the human population. If you have any further questions or concerns that are not answered by these links, please contact Catholic Answers directly.

Recommended Reading:
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[LIST]
*]
Were Adam and Eve real people?**
]* How did God create Cain’s wife?**
]* Who were the parents of Cain’s wife?**
]* What book to give a religion teacher who teaches that Adam and Eve are myths??**
]* Did God create more “parents” than Adam & Eve so that Cain could have a wife?**
[/LIST]

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