In Context

2 and sons of God see the daughters of men that they are fair, and they take to themselves women of all whom they have chosen.

3 And Jehovah saith, 'My Spirit doth not strive in man — to the age; in their erring they are flesh:' and his days have been an hundred and twenty years.

4 The fallen ones were in the earth in those days, and even afterwards when sons of God come in unto daughters of men, and they have borne to them — they are the heroes, who, from of old, are the men of name.

5 And Jehovah seeth that abundant is the wickedness of man in the earth, and every imagination of the thoughts of his heart only evil all the day;

6 and Jehovah repenteth that He hath made man in the earth, and He grieveth Himself — unto His heart.

7 And Jehovah saith, 'I wipe away man whom I have prepared from off the face of the ground, from man unto beast, unto creeping thing, and unto fowl of the heavens, for I have repented that I have made them.'

Genesis 6:5 in Other Translations