If this were the 3rd Age, I'd be...

[Nox]

Hey I never answered this... probably cause I didn't have an answer at the time.

Aria - no clue... warders aren't taking females... she can't channel... some lowly commoner likely most likely a darkfriend though so there is that.

Sierra would be wolfkin - duh!

Ayden would likely be Green Ajah.

Ilesha probably White... or Brown.

Sage like Aria would be a no-body tho not a darkfriend... probably one of the scholarly type.

Nox would be an Asha'man ... tho he would have probably blown himself up or got kicked out of the Black Tower for not listening properly

Martin probably would be a child of the light.

Dorian probably the captain of some guard or another.

I'm probably forgetting someone.