Right, basing it off of 3.5 possibly but with some additions.
Foresight - A very important trait for a ruler. If a disaster happens, you roll using your foresight to see if you were provident enough to prepare for it beforehand, lessening or negating the negative impacts.
Wealth - Self explanatory, Money, Connections, holdings.
Comeliness - How good your character looks, not neccesarily super important, but nobles can be a shallow lot.
Many stats tie into the different social classes of the populace. For instance, nobles like Int, Cha, Com, Wealth and Dex, while the clergy likes Wis, Int, Cha and Foresight.
Reputation - What people from far and wide say about you and your rule.
Renown - What the locals think about your actions.
Presence - Very important when meeting with dignitaries and the like, Presence relies on either Com, Cha, Con, Str or Wealth.
More to come later.