The Barcelona Convention was a treaty between King Johan II of Aragon and Gaston IV of Foix, intended to control the succession of the Navarre throne. It was signed in Barcelona on December 3, 1455. History
The treaty was an attempt by Johan II of Aragón to put an end to the issue surrounding the sequel to the throne of Navarre. Since 1441, Johan II and his son Karel were engaged in a battle for this throne. Johan had already tried to appoint Karel as a placeholder, his deputy, but Karel did not find this sufficient. Supported by a group of nobles, the Beaumonteses and a large group of Catalans who sought more independence, Karel took even the weapons against his father in 1450. Johan defeated his son, caught him and left him again under pressure from the opposition in 1453. After the death of Johan II of Castile on July 22, 1454, war between father and son arose again. Barcelona Convention
On December 3, 1455, Johan II of Aragón signed a treaty with Gaston IV of Foix. Johan II, with this treaty, transferred the right to succession to his daughter Eleonora who married Gaston in 1436. He unleashed his first son, Charles, Prince of Viana, from his first marriage to Blanca I of Navarre, as well as his first daughter from his first marriage, Blanca. Gaston and Eleonora stated in this treaty that Johan II would be King of Navarre until his death.
According to Johan, he considered Karel and Blanca "if they would have died a natural death" and "banned from the Navarre royal house because of ungratefulness and disobedience"
The treaty had the consent of the King of France, Charles VII. This saw the road cleared to expel the English from Basque Country. Continuation
The Barcelona Treaty did not have the desired result of Johan. The opposition grew and at the Capitulation of Vilafranca del Penedès on June 21, 1461, Charles of Viana was declared by Catalans and Aragonese a legitimate successor to Johan II of Aragón for the throne of Navarre. The prince died shortly thereafter, on September 23. After the death of Charles of Viana, Blanca was locked in a castle, the Torre Moncada in Orthez where she died in 1464.
Foix Gaston IV then ruled together with Eleonora on Navarra. Gaston died in 1471 and Eleonora on February 12, 1479, not yet a month after her father Johan II died. In fact, the crown of Navarre went to Ferdinand II of Aragón. The title has been claimed for a while by the House Foix and the House Albret, until the death of Johanna van Albret.
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