I have proven this over and over to be angels, but the problem is that you and others don't have understanding nor will you admit to it.
"When man began to multiply on the face of the land and daughters were born to them, the sons of God saw that the daughters of man were attractive. And they took as their wives any they chose. "
"The Nephilim were on the earth in those days, and also afterward, when the sons of God came in to the daughters of man and they bore children to them. These were the mighty men who were of old, the men of renown.."
In both scriptures above, there is a grammatical distinction made between "man" and "the sons of God," which you refuse to acknowledge. Ergo, the sons of God that take wives from the daughters of mankind are not humans. I have also proven to you that "the sons of God" who appear with Satan in Job are also angels, but you don't comprehend that either. So far you have proven nothing regarding this issue!
"Now there was a day when the sons of God came to present themselves before the LORD, and Satan also came among them. the LORD said to Satan, “From where have you come?” Satan answered the LORD and said, “From going to and fro on the earth, and from walking up and down on it." - Job 1:6
"Again there was a day when the sons of God came to present themselves before the LORD, and Satan also came among them to present himself before the LORD. And the LORD said to Satan, “From where have you come?” Satan answered the LORD and said, “From going to and fro on the earth, and from walking up and down on it.” - Job 2:1-2
In the two scriptures above, the sons of God are shown to be angels, utilizing the same designation as in Gen.6:1,4. These sons of God who are appearing before the Lord are not men as some have attempted to claim. That Satan appears with them demonstrates that the sons of God are angels. Ergo the sons of God and Satan are of the same genre, i.e. angelic beings.
Furthermore, God asks Satan where he has come from and Satan says "From going to and fro on the earth, and from walking up and down on it," which would demonstrate that where Satan and the sons of God are appearing before God is in the heavenly realms and not on earth, which would also disprove the idea of the sons of God as referring to men.
Then there is Enoch's detailed account of this entire event regarding the angels, the sons of heaven, of whom Jude quoted from. Now since Jude quotes from Enoch, then the prophesies of Enoch should be considered valid, that and the fact that the prophesies of Enoch was apart of the scriptures up until the 3rd century. You can't recognize that Jude quoted from Enoch and then throw out the rest of the information that is contained within Enoch's prophesies regarding the angels who took wives from the progeny of men.