Aridiel: In the demonic hierarchy connected with the points of the compass as outlined in the Ars Theurgia, Aridiel serves beneath the demon-king Caspiel, Emperor of the South. Holding the rank of duke, Aridiel is one of twelve demons of such rank given the honor of attending directly upon Caspiel. He has no fewer than two thousand two hundred and sixty ministering spirits under his command.
SOURCE:
The Dictionary of Demons written by Michelle Belanger