Genesis 4:25

25And Adam knew his wife again, and she bore a son and called his name Seth, for she said, “God has appointed
 Seth sounds like the Hebrew for he appointed
for me another offspring instead of Abel, for Cain killed him.”

Genesis 19:34

34The next day, the firstborn said to the younger, “Behold, I lay last night with my father. Let us make him drink wine tonight also. Then you go in and lie with him, that we may preserve offspring from our father.”
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