New answers tagged the-elder-scrolls
All past Emperors were considered Dragonborn, but we can only speculate on what they could actually do. That said, you did not need to be Dragonborn to shout, and being Dragonborn did not necessarily mean you could absorb dragon souls. Despite being considered "the first Dragonborn", we have word-of-god reference that St. Alessia could not absorb dragon ...
There doesn't seem to be any more info about this. It might've been like that forever, as it's mentioned to be a memorial of Martin. There's seems to be nothing else about this. That's all.
The Wiki has no information on it, so it's safe to say there is no lore. There is no particular reason why anyone would remove it, so it likely still stands in timespan of TESV.
To the question in the title: Eeeh kinda? There's no such thing as Shouts in the earlier games so the emperors don't go around Fus-Do-Rahing enemies off a cliff (too bad, might have saved the emperor in oblivion from getting killed). However, the Amulet of Kings can, in lore, only be worn by someone with the blood of a dragonborn, so dragonborns existed ...
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