I figure the easy answer is that he's not especially close to anyone in the group, or he might have been on board with them from the beginning?<br/><br/>They might know his mother better as the town's (former) alchemist/apothecary, who always seemed to have just the right thing for the job, but her shop was kind of a disreputable, seedy hole in the wall. She up and disappeared a while back and no one's heard from her since, and Hadrhune hasn't seemed interested in taking over the family business, so to speak.