Kayllen is the second son/3rd child of a small noble house which is a vassal house to Dzemael. Through various things involving "story" he was presumed dead and fled Ishgard after some betrayal related business where he lived in Thanalan for several years. Recently, also through "story" he's been recognized as 'still alive', had to answer for charges of heresy and betrayal, and plans to retake his house from the forces that currently control it. His ultimate goals aren't known by really anyone yet but for now, his reasons for not being IN Ishgard are likely that it would mean he'd be assassinated.
