KnowraWar of the Castilian SuccessionLinked fromLinked fromThe 6 pages that link to War of the Castilian Succession, each with the reason it gives.All 6Related 5Narrower topic 1Ferdinand II of AragonRelated: Ferdinand helped Isabella defeat her rival and secure the Castilian succession.Isabella I of CastileRelated: Victory secured Isabella’s contested claim to Castile.Kingdom of CastileRelated: Isabella’s victory secured the succession that enabled the union with Aragon.Catholic MonarchsRelated: Isabella’s victory established her claim and made her marriage alliance politically decisive.Treaty of AlcáçovasNarrower topic: This war was the conflict Alcáçovas formally brought to an end.Alfonso V of PortugalRelated: Alfonso entered the war by marrying Joanna of Castile and claiming the throne on her behalf.