Actually by completing each ones quests and gaining their token, you're supposedly selling yourself to all of them. So there's the Nine Divines, Sovengarde, all the Daedra, plus Padomay/Sithis void concepts.
Honestly the Dragonborn likely will choose Sovengarde, and as none of the Daedra are powerful enough to try and claim him without having to fight each other and deal with Akatosh and/or other divines.
Pat8u said:
Im speculating that the night mother is a daedra and the corpse her shrine, and sithis could be her realm of oblivion and every db member who dies serves her in death
That's not too far off one of the theories around the night mother, that she is Mephala. As the Dark Brotherhood seperated from the Morag Tong who worshiped Mephala. He/She is a liar, so I could see her/him misleading the DB with some padomay/sithis stuff when they actually go to her plane.
Syzygy23 said:
Isn't Sithis the closest analogue to a christian style super-God in the TES series? He created the universe (accidentally) and was displeased when it didn't go away, so now he's all about death and ending everything?
Nope, well sort of. In TES lore, there was Anu and Padomay (Sithis), Anu was a force for creation and life and Padomay destruction and entropy. Anu created the majority of the Aedra, Padomay the majority of the Daedra.
Lorkhan, also known as Shor and Shezzar, was the one who convinced the Aedra and Daedra to construct the Mundus the plane upon where Nirn resides, it had the side effect of draining the divinity of some of the gods, who supposedly became the Elven ancestors, so the Aedra and Daedra killed Lorkhan, his body became the moons and his heart created life on Nirn, and subsequently man. All the stars and the sun are where fleeing Aedra and Daedra tore holes to their planes of Oblivion. 8 Aedra remained and they gave up part of their powers to stabilize the Mundus, by becoming 8 other planets. These are the 8 divines.
This is of course all from my memory and the lore, both aren't 100% reliable.