The Book of Enoch (also 1 Enoch; Hebrew: סֵפֶר חֲנוֹךְ, romanized: Sēfer Ḥănōḵ; Ge'ez: መጽሐፈ ሄኖክ, romanized: Maṣḥafa Hēnok) is an ancient Jewish apocalyptic religious text, ascribed by tradition to the patriarch Enoch who was the father of Methuselah and the great-grandfather of Noah. The Book of Enoch contains unique material on the origins of demons and Nephilim, why some angels fell from heaven, an explanation of why the Genesis flood was morally necessary, and a prophetic exposition of the th…