User blog comment:Miskos3/Chapter 56, Review/@comment-12642484-20140407173110/@comment-424719-20140407201306

I re-read it a little while ago looking for a profile image for Nifa (Or Nina? No clue I guess we'll figure out later) and it did indeed say that it was the name of the royal family.

http://readms.com/r/attack_on_titan/56/2332/30