In Context

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

2 That the sons of God saw the daughters of men that they were fair; and they took them wives of all whom they chose.

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

4 There were giants in the earth in those days; and also after that, when the sons of God came in to the daughters of men, and they bore children to them: the same became mighty men, who were of old, men of renown.

5 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.

Genesis 6:3 in Other Translations