It would seem- SPOILER BTW-....
The Rabbit Goddess AkA, Ruler of the world at one point Possessed the Byakugan... That would mean the Byakugan was around before everything like it was hinted to be. So essentially the Rinnegan was a product of the juubi and Byakugan.
This could have been how she maintained her might by being able to see every where and everything at anytime. With that form of power... No wonder she was feared! Damn son..
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The Rabbit Goddess AkA, Ruler of the world at one point Possessed the Byakugan... That would mean the Byakugan was around before everything like it was hinted to be. So essentially the Rinnegan was a product of the juubi and Byakugan.
This could have been how she maintained her might by being able to see every where and everything at anytime. With that form of power... No wonder she was feared! Damn son..