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What if Ferdinand II of Aragon dies before he marries Isabella and Isabella marries Nicholas of Anjou instead of Ferdinand of Aragon and the alternative succession to the Aragonese throne to Nicholas would be Francis of Navarre who is married to Joanna of Castille while Mary of Burgundy still marries to the Habsburgs like in OTL, what would happen to France and Spain in this scenario? would Isabella win against Joanna?
Would this result in the French confiscation of Provence and Anjou before Nicholas inherits it?