Did some digging through some mod authors I downloaded smaller mods from and found this. And you guys thought JKs was cluttered:

https://www.nexusmods.com/skyrimspecialedition/mods/132169

>>534316190
Ah, he did an entire storytime explaining how she's still around but I can't find it. If I recall correctly she is like Yangrum and she was in an outer realm at the time.