After the American Revolutionary War, the Spanish minister count Aranda, had proposed reforming the Spanish empire into a commonwealth by turning the colonies into three kingdom's with sons of Charles III being made kings. There are two candidates who come to mind, namely Infante's Gabriel and Antonio Pascual, whoever the third one will be remains a mystery as the rest of Charles children were either a. too young or b. died young.
So lets assume that Gabriel and Antonio accept and inherit Mexico and Peru respectively while Tierra Firme (New Granada) is given to someone to be determined. What do we know about these two and how would they have administered their newfound realms? What happens if their cut off from Spain during an FRW/Napoleonic war? ext.