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John Ramon III Folch de Cardona i de Prades, (9 January 1418 – 18 July 1486), was a Catalan nobleman. John Ramon's titles included Count of Prades (5th), Count of Cardona, Viscount of Vilamur, Baron of Entença, Admiral of Aragon, Captain general of Catalonia as well as Viceroy of Sicily from 1477 to 1479.

John I, Count of Foix also known as Jean de Foix-Grailly (1382 – 4 May 1436) was Count of Foix from 1428 until his death in 1436. He succeeded his mother Isabella, Countess of Foix. His father was Archambaud de Grailly.