Genesis 6:4-6

American Standard Version

⁴ The ^[a]Nephilim were 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 were the mighty men that were of old, the men of renown.

⁵ And Jehovah 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. ⁶ And it repented Jehovah that he had made man on the earth, and it grieved him at his heart.