Abstract

In this article I examine Leonese nobility networks as a means to explain the involvement by Prince Alfonso of Castille (later King Alfonso X) in the civil war that confronted King Sancho II of Portugal with his brother Prince Alfonso, later Alfonso III of Portugal. Prosopography allows to reconstruct family bonds linking Leonese and Galician noblemen who had joined Prince Alfonso of Castille with their Portuguese counterparts who had rallied behind King Sancho. I will aim to prove that, following the alarm triggered by their Portuguese relatives, family bonds prompted Leonese and Galician noblemen to take part in the war and to seek Prince Alfonso of Castille’s support, after his father, King Ferdinand III, refused it.

Highlights

  • In this article I examine Leonese nobility networks as a means to explain the involvement by Prince Alfonso of Castille in the civil war that confronted King Sancho II of Portugal with his brother Prince Alfonso, later Alfonso III of Portugal

  • Prosopography allows to reconstruct family bonds linking Leonese and Galician noblemen who had joined Prince Alfonso of Castille with their Portuguese counterparts who had rallied behind King Sancho

  • Había perdido junto a Fernando III, y, para ello los nobles buscaron el apoyo del infante don Alfonso que tenía intereses patrimoniales en Portugal, además de una buena relación personal con Sancho II

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Summary

Inés Calderón Medina

RESUMEN: En este trabajo se analiza el panorama nobiliario leonés para explicar la actuación del infante Alfonso de Castilla (futuro Alfonso X) en la guerra civil que enfrentaba a Sancho II de Portugal con su hermano, el futuro Alfonso III. A través de la prosopografía se reconstruye la red de parentesco que une a los nobles leoneses y gallegos, que acompañaron al infante, con la nobleza partidaria de don Sancho. Ante la alarma lanzada por los parientes lusos, la solidaridad familiar nobiliaria provocó la participación de los nobles leoneses y gallegos en la guerra y el apoyo del infante don Alfonso, ante la negativa de su padre, Fernando III. PALABRAS CLAVE: Alfonso X; Sancho II de Portugal; Alfonso III de Portugal; Nobleza leonesa; Solidaridad familiar nobiliaria; Leiría. Matters: Noblemen from the Kingdom of Leon in the Portuguese Civil War (1245-1247)

CONSIDERACIONES SOBRE LA INTERVENCIÓN MILITAR
LOS PREPARATIVOS DE LA INTERVENCIÓN DEL INFANTE DE CASTILLA
La vía diplomática
La intervención militar
EL INFANTE DON ALFONSO EN PORTUGAL
LA SOLIDARIDAD FAMILIAR NOBILIARIA
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