Yeah, that's basically what I was getting at. We know Zelda comes from Hylia and Ganon comes from Demise. But what about Link? The hero in Breath of the Wild's tapestry looks nothing like Link, but he definitely had to have descended from him though right? That's Link's role, the one he's cursed...
I don't think we're going to necessarily meet this character in game to be honest. Could just be backstory like how we never met Hylia but her presence is felt throughout Skyward Sword and Breath of the Wild.
I keep seeing people say that the Mural figure is Hylia but Zelda IS Hylia, so the figure we've accepted as Zelda doesn't necessarily represent THIS Zelda, but Zelda in general/Hylia. That means this new figure is something else and possibly Zonai in origin.
Could this Zonai figure be a...