Ananel: A fallen angel who chose to abandon Heaven in pursuit of a mortal wife. Ananel's name appears in the apocryphal Book of Enoch. He is listed among the “chiefs of tens” who served beneath Shemyaza and Azazel. These chiefs were essentially the lieutenants of the Watcher Angels, heavenly beings sometimes also known as the Grigori.
SOURCE:
The Dictionary of Demons written by Michelle Belanger