Genesis 6:2-5

Brenton(i) 2 (6:3) that the sons of God having seen the daughters of men that they were beautiful, took to themselves wives of all whom they chose. 3 (6:4) And the Lord God said, My Spirit shall certainly not remain among these men for ever, because they are flesh, but their days shall be an hundred and twenty years. 4 (6:5) Now the giants were upon the earth in those days; and after that when the sons of God were wont to go in to the daughters of men, they bore children to them, those were the giants of old, the men of renown. 5 (6:6) And the Lord God, having seen that the wicked actions of men were multiplied upon the earth, and that every one in his heart was intently brooding over evil continually,