Althor: A servant of the infernal prince Dorochiel, Althor is named in the seventeenth-century magickal text known as the Ars Theurgia. Here he is listed, and a dozen demons given the rank of chief duke and said to appear in the hours before noon. Through Dorochiel, he is associated with the west. As a demon of rank, he commands Altramat forty ministering spirits of his own.
SOURCE:
The Dictionary of Demons written by Michelle Belanger