Kingdom of Aragon
- Ruling Houses
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House of Jiménez
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House of Barcelona
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House of Trastámara
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House of Trastámara-Navarre
- Principalities
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Principality of Catalonia
- Duchies
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Duchy of Girona
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Duchy of Híjar
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Duchy of Villahermosa
- Counties
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- Viscounties
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Viscount of Fenouillèdes
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- Baronies
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Barony of Ayerbe
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Barony of Cruilles
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Barony of d'Exerica
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Barony of Entença
- Lordships
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Lordship of Ahones
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Lordship of Alagon
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Lordship of Alamany
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Lordship of Anglesola
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Lordship of Besora
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Lordship of Cabrenç
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Lordship of Castelbisbal
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Lordship of Centelles
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Lordship of Cervello
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Lordship of Cervera
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Lordship of Cornel
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Lordship of Creixell
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Lordship of d'Erill
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Lordship of Horta
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Lordship of de Lanuza
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Lordship of Luna
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Lordship of Mataplana
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Lordship of Montcada
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Lordship of Tirasona and Arauda
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Lordship of Peralta
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Lordship of Pinos
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Lordship of Quinto
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Lordship of Rada
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Lordship of Ribelles
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Lordship of Romeu
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Lordship of d'Urrea
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Lordship of Villamayor
