Fernidel//Endless Night's Links
He doesn't really advertise the fact that he's her brother, he knows she prefers it that way. He also knows that though she is civil with him, she still prefers to be left alone for the most part.
Admittedly only puts up with him because they're family. She lets him do the talking when he visits. She genuinely appreciates when he brings her bread to get drunk off of and ingredients for use in her experiments and potion making.