User blog comment:Ktrfgfg/Chapter 53 and chapter 54 predictions/@comment-13234254-20140107154839/@comment-179280-20140107185834

People are known to inherit the memories of their ancestors (AKA you have your mom's, your dad's, your grandparents', etc.'s memories in your brain), so it's not impossible that this girl is actually one of Eren's ancestors, but I highly doubt she's his mom or related to royalty in some way.

And about Armin, wtf? Are you sane?