What was the general opinion of the Early Church Fathers concerning the giants/nephilims?

What was the general opinion of the Early Church Fathers concerning the giants/nephilims, described in the following verses? > **Genesis 6:4** > > 4 There were giants 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 became mighty men which were > of old, men of renown. > > **Numbers 13:33** > >33 And there we saw the giants, the sons of Anak, which > come of the giants: and we were in our own sight as grasshoppers, and > so we were in their sight. > > **Deuteronomy 9:1–3** > >1 Hear, O Israel: Thou art to pass over Jordan this > day, to go in to possess nations greater and mightier than thyself, > cities great and fenced up to heaven, > > 2 A people great and tall, the children of the Anakims, whom thou > knowest, and of whom thou hast heard say, Who can stand before the > children of Anak! > > 3 Understand therefore this day, that the Lord thy God is he which > goeth over before thee; as a consuming fire he shall destroy them, and > he shall bring them down before thy face: so shalt thou drive them > out, and destroy them quickly, as the Lord hath said unto thee.