From The Book of Oberon, Dan Harms edition:
The first king raigneth in the east and is called Oriens, and he cometh in the likeness of an horse with an 100 heads or as some wright with 5 heads, but if thou call him with his company he appeareth with a fair favor and as a woman, riding upon an Elephant & all manner of minstrels before him, he can tell all things past, present and to come, and can prophecy truly of things to come, he cane give any science earthly and earthly treasure, and he hath under him spirits innumerable of which of the best and most principal are these.
The grouping Cardinal Demon Kings includes this demon.
This demon is associated with the direction East
This demon rides the creature Elephant
Timeline of related events
1563First known appearance of The Book of the Office of Spirits (lists this demon)
1572Publication of the Key of Solomon (lists this demon)
1577Book of Oberon completed (lists this demon)
1608Publication of the Book of Abramelin (lists this demon)
1670Publication of the Grimoire of Pope Honorious (lists this demon)