Pet peeve that all of the genre is severely grinding on
Empress/Emperor/King/Queen - Your Majesty
Prince/Princess - Your highness
Duke/Duchess - Your grace
Everybody else - Lord/Lady + surname (if heir apparent /actual governing head of the family/married to them) or Lord/Lady + name (first born children of either sex)
Mr/Miss + name and surname (everyone else)
Besides this:
The Empress as
@Kynnath (awesome name, btw) said, this is personal, besides the fact that she seems to be an empathetic character by default, the way they've been "raising" the child speaks volumes to what they think of her (either they find her so devoid of opinions or they don't think she's acting properly, neither is nice or fair) and is that much more upsetting.
Regarding the question in the last panel, I think he's asking whether his mother is happy being what she is, and knowing what people think of her.
Now, I just want to see how Lizzie will react to the sudden change. I'm rooting for kitten-like behaviour, where she will grow initially dependent on our ML, but then find her own self and grow as her own person. That would be lovely 🥰