Genesis 6:12, 1, 3-11, 2, 13-22
Genesis 6:12 NET
God saw the earth, and indeed it was ruined, for all living creatures on the earth were sinful.
Genesis 6:1 NET
When humankind began to multiply on the face of the earth, and daughters were born to them
Genesis 6:2 NET
the sons of God saw that the daughters of humankind were beautiful. Thus they took wives for themselves from any they chose.