The Lesser Key of Solomon or Lemegeton, is an anonymous grimoire on demonology. It was compiled in the mid-17th century, mostly from materials a couple of centuries older and is divided into five books.
There are a total of Seventy-Two Demons listed in the Ars Goetia, commanded by the four kings of the cardinal directions. With one of the demons listed (Gaap) being both; one of the four kings and a member of 72 demons.
Four kings of the cardinal directions
Baal, Agares, Vassago, Gamigin, Barbas, Valefar, Aamon, Barbatos, Paimon, Buer, Gusion, Sitri, Beleth, Leraje, Eligos, Zepar, Botis, Bathin, Saleos, Purson, Morax, Ipos, Aim, Naberius, Glasya-Labolas, Bune, Ronove, Berith, Astaroth, Forneus, Foras, Asmodai, Gaap, Furfur, Marchosias, Stolas, Phenex, Halphas, Malphas, Raum, Focalor, Vepar, Sabnock, Shax, Vine, Bifrons, Vual, Haagenti, Crocell, Furcas, Balam, Allocer, Caim, Murmur, Orobas, Gremory, Ose, Amy, Orias, Vapula, Zagan, Valac, Andras, Flauros, Andrealphus, Kimaris, Amdusias, Belial, Decarabia, Seir, Dantalion, Andromalius.