The Watchers Teach the Nephilim Sorcery, Incantations, and the Dividing of Roots and Trees
Book of Enoch, Chapter 7. The names of these Watchers: Semihazah; Artqoph; Ramtel; Kokabel; Ramel; Danieal; Zeqiel; Baraqel; Asael; Hermoni; Matarel; Ananel; Stawel; Samsiel; Sahriel; Tummiel; Turiel; Yomiel; .
10 - Then they took wives, each choosing for himself; whom they began to approach, and with whom they cohabited; teaching them sorcery, incantations, and the dividing of roots and trees.
11 - And the women conceiving brought forth giants