Alferiel: According to the Ars Theurgia, Alferiel is a demon in the hierarchy of Demoriel, the Emperor of the North. Alferiel is a mighty duke with eighty-four lesser spirits beneath him. His immediate superior is the demon Armadiel, who rules in the northeast. Alferiel is bound by both time and direction, and he will only manifest during very specific hours and minutes. If the day is divided into fifteen equal portions, the sixth of these is Alferiel’s. (The Henson translation of the Ars Theurgia gives this number as fifteen. It was almost certainly intended to be twelve, but was copied incorrectly somewhere along the way.)
SOURCE:
The Dictionary of Demons written by Michelle Belanger