Number and hierarchy of demons

From Collin De Plancy’s Dictionaire Infernale (1863)

Asmodeus – The Destroyer
Astaroth – Obtains friendship of great lords.
Behemoth – Demon of indulgence
Ronwe – Demon of linguel knowledge
Urobach – Of the lower order of demons
Andras – Grand Marquis of Hell, causes discord and quarrels
Beelzebub – Lord of the flies