User blog comment:IamJakuhoRaikoben/Sorcerer Magazine, Issue 41: May 2015/@comment-121.54.54.62-20150602031347/@comment-6152051-20150602031636

If you go to the pages of Jiemma, Angel and Simon, do you see them having the surnames of Orlando, Agria and Mikazuchi? No, you don't. Bottom line is, just because they are relatives, doesn't mean they share the same surname. We don't assume that they have the same surnames unless stated.