I have no preference for heir and neither are ideal to be heir (none of them are in work from home type lifts like Sion was).
I do have to be careful with marriage and pregnancy and childbirth giving days off since Master Thief restrictions are still in place.
Here are the options:
Bastila Rand
LTW: Perfect Mind, Perfect Body – Completed
Lifting: Business
Traits: Workaholic, Slob, Loves the Outdoors, Genius, Ambitious
Kavar Rand
LTW: Illustrious Author (Level 9 for both Painting and Writing)
Lifting: Symphonic
Traits: Workaholic, Slob, Daredevil, Charismatic, Ambitious
Seera's Apocalypse Tales 