And it came to pass, when men began to multiply on the face of the earth, and daughters were born unto them,
Read Chapter 6
Clement Of Alexandria
AD 215
The mind is led astray by pleasure, and the virgin center of the mind, if not disciplined by the Word, degenerates into licentiousness and reaps disintegration as reward for its transgressions. An example of this for you is the angels who forsook the beauty of God for perishable beauty and fell as far as heaven is from the earth. .
[Moses] called the sons of Seth “sons of God,” those who, like the sons of Seth, had been called “the righteous people of God.” The beautiful daughters of men whom they saw were the daughters of Cain who adorned themselves and became a snare to eyes of the sons of Seth. Then Moses said “they took to wife such of them as they chose,” because when “they took” them, they acted very haughtily over those whom they chose. A poor one would exalt himself over the wife of a rich man, and an old man would sin with one who was young. The ugliest of all would act arrogantly over the most beautiful. .
Daughters. These had borne equal proportion with the males from the beginning; but here they are particularized, because they were the chief instruments in corrupting the descendants of Seth. (Haydock)
Even the sons of these libidinous people were so effeminate, as to deserve to be called women. (Menochius)
Of the incorporeal beings, only angels fell away, and not all of them, but some only, that inclined to things below and set their desire on things of earth, withdrawing themselves from their relations with things above, even from God.