Genesis Chapter 6 Verse 2That the sons of God saw the daughters of men that they [were] fair; and they took them wives of all which they chose.

And Enoch walked with God: and he [was] not; for God took him.

And Methuselah lived an hundred eighty and seven years, and begat Lamech:

And Methuselah lived after he begat Lamech seven hundred eighty and two years, and begat sons and daughters:

And all the days of Methuselah were nine hundred sixty and nine years: and he died.

And Lamech lived an hundred eighty and two years, and begat a son:

And he called his name Noah, saying, This [same] shall comfort us concerning our work and toil of our hands, because of the ground which the LORD hath cursed.

And Lamech lived after he begat Noah five hundred ninety and five years, and begat sons and daughters:

And all the days of Lamech were seven hundred seventy and seven years: and he died.

And Noah was five hundred years old: and Noah begat Shem, Ham, and Japheth.

And it came to pass, when men began to multiply on the face of the earth, and daughters were born unto them,

And the LORD said, My spirit shall not always strive with man, for that he also [is] flesh: yet his days shall be an hundred and twenty years.

There were giants in the earth in those days; and also after that, when the sons of God came in unto the daughters of men, and they bare [children] to them, the same [became] mighty men which [were] of old, men of renown.

And GOD saw that the wickedness of man [was] great in the earth, and [that] every imagination of the thoughts of his heart [was] only evil continually.

And it repented the LORD that he had made man on the earth, and it grieved him at his heart.

And the LORD said, I will destroy man whom I have created from the face of the earth; both man, and beast, and the creeping thing, and the fowls of the air; for it repenteth me that I have made them.

But Noah found grace in the eyes of the LORD.

These [are] the generations of Noah: Noah was a just man [and] perfect in his generations, [and] Noah walked with God.

And Noah begat three sons, Shem, Ham, and Japheth.

The earth also was corrupt before God, and the earth was filled with violence.

And God looked upon the earth, and, behold, it was corrupt; for all flesh had corrupted his way upon the earth.

The Book of Genesis, Chapter 6, Verse 2