Using the Napoleon’s Own encounter group can be tricky – but they can (and should) be more than “comic relief”.
Sir Kay is an example. She believes herself to be the reincarnation of one of the Knights of the Round Table. She is not unique: there is a group of Grail Knights (all searching for Arthur and the Holy Grail). However, when the PC’s meet her, she is on a separate quest: looking for the Morrow Project.