I actually just got a Rhaena journal set up at ~rhaenas, so I would love to explore the fact that even though she's more ~~accomplished and tries a good deal harder, the emotional labour in the family has entirely been shepherded off onto her and she's widely seen and understands as a non dragon rider in a dragon riding family, she has a lot of limited utility hence why she's so bitter and resentful in the Vale. She really DOES want and search for Daemon's love and approval and feels like she is playing second fiddle. As far as Viserys I really would be voice testing him, but it depends on what time of their lives -- there's obviously a way and a reason that they fell out and created their showtime dynamics, so it's whether or not you want older Viserys and Daemon or you'd like to explore their childhood! As for Aemma -- she's fairly opaque in and of herself but there's probably juice there with the fact Daemon was sent off to the Vale to marry the royces that he notoriously hates but Aemma identifies herself strongly from the Vale and it's from that Rhaenyra also derives support.