Yes but the Bible does not say nephilim/giants are angels or their supposed offspring. Enoch is a gnostic text.
Quoting: Anonymous Coward 6653650 KJV Genesis 6:4 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.
NAU Genesis 6:4 The Nephilim were on the earth in those days, and also afterward, when the sons of God came in to the daughters of men, and they bore children to them. Those were the mighty men who were of old, men of renown.
KJV Numbers 13:33 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.
NAU Numbers 13:33 "There also we saw the Nephilim (the sons of Anak are part of the Nephilim); and we became like grasshoppers in our own sight, and so we were in their sight."
root of nephlim = or giants
naphal
Meaning:
to fall, lie
Origin: a prim. root
Usage: abandon(1), allot(1), allotted(2), anyone falls(1), apportioned(2), attacked(2), born(1), bring down(1), burst(1), came down(1), cast(16), cast down(5), casts(1), collapse(1), come(3), dash down(1), defect(1), defected(3), deserted(3), deserters(3), did(1), dismounted(1), divide by lot(2), divide it by lot(1), downfall(1), dropped(1), fail(1), fail*(1), failed(4), fall(130), fall down(4), fallen(55), fallen away(1), fallen down(4), falling(3), falling down(2), falls(22), falls away(1), fell(98), fell down(8), felled(1), felling(1), give birth(1), go over(1), going over(2), gone over(3), inferior(2), killed(1), knocks(1), lay(1), lay down(1), lay flat(1), lie down(1), look(1), lost(2), lying(5), making(1), perish(1), present(1), presenting(3), prostrating(1), remains(1), settled(1), surely fall(1), throw(2), topple(1), turns(1), void(1), waste away(3).
They are talked about in the summerian writings also they came from the Heavens