@Masami what does the doctor thing mean? One is a profession while magic is a genetic trait that existed only in one family as the story says, since its said that as time went on it apperead less and less its probably a recessive trait and how do you make a recessive trait more consistant you pick 2 people with the same trait but oh wait this specific trait only runs in one family i wonder how nobles famous for marrying their cousin to keep their bloodline clean would do that.
oh wait they practice inbreeding easy its not my fault its bad eorld building