Siege of Jaén
Part of the Reconquista
The Castillo de Otíñar which was captured in 1229 by Ferdinand III's forces in preparation for the eventual siege of Jaén.
Date 24 June 1230–September, 1230 Location Jaén, Province of Jaén, Spain 37°46′10.99″N 3°47′20.00″W / 37.7697194°N 3.7888889°W / 37.7697194; -3.7888889 Result Castilian retreat and abandonment of the siege after the death of Alfonso IX of León.
Belligerents
Kingdom of Castile Taifa of Baeza	Taifa of Jayyān (جيان)
Commanders and leaders
Ferdinand III of Castile García Fernández de Villamayor	Unknown
Strength
Unknown	Unknown
Casualties and losses
Unknown	Unknown
class=notpageimage| Location within Andalusia Show map of Andalusia Siege of Jaén (1230) (Spain) Show map of Spain

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The siege of Jaén was one of many sieges on that city during the Spanish Reconquista. The siege was carried out from 24 June through September, 1230 by forces of the Kingdom of Castile commanded by Ferdinand III of Castile against the defending Taifa of Jayyān (جيان). The battle resulted in a Jayyānese victory after the Castilian withdrawal and abandonment of the siege immediately following the death of King Alfonso IX of León.

In 1229, Ferdinand III of Castile resumed his military campaigns against his Moorish neighbors that had been ongoing since 1224. In 1225, a previous attempt to capture the city resulted in failure when the combined forces of the Kingdom of Castile and the Taifa of Baeza withdrew due to a lack of proper siege equipment before the city's formidable defenses. In 1229, Ferdinand III commenced hostilities in the area around Jaén, taking the castle at Otíñar (which was a point of immense strategic significance if a siege of the city was to be undertaken) and pillaging the areas surrounding the city. Throughout 1229, Ferdinand III continued actions on the areas surrounding Jaén for his eventual siege, capturing strongpoints and preparing for his siege the following year.

On 24 June, Ferdinand III of Castile who was by this time the King of Castile, commenced the formal siege on the city of Jaén with a determination to capture the city that had withstood his previous siege attempt five years previously. The siege of 1230 presented a greater challenge than the one in 1225 because the city defenses had been significantly improved by the ruling Taifa of Jayyān as they had expected further Castilian aggression. As a result, Ferdinand III required a much larger army to mount a definitive and decisive blow to the city.

According to the Chronicle of Ávila, the knights of Ávila, who formed a portion of the Castilian assault force, were positioned on the Cerro del Neveral (en: Neveral Hill) which was located directly in front of the castle walls. Their placement in this location was an apparent punishment for having arrived late to the city's previous siege five years before indicating an unforgiving temperament on the part of Ferdinand III. From this position, the knights of Ávila were harassed by the city's trebuchet defenses.

mandolos possar el rey en una cabeza que es sobre el alcaçar, e era logar que non se podrien acorrer quando menester les fuesse los de la hueste...

— Crónica de Ávila.

By September, after a siege of around four months, Ferdinand III was obliged to withdraw prematurely a second time from his siege of the city, this time due to the death of his father, Alfonso IX of León. He ordered the siege lifted and traveled to Orgaz to join his mother, Berengaria of Castile. The two then proceeded together to León where Ferdinand III, already King of Castile was to be crowned also as the King of León and of Galacia.

The city of Jaén remained an independent Taifa for some time after the battle, eventually being incorporated into the Emirate of Granada. Jaén would finally be permanently taken by Castilian forces in 1246 when the forces of Castile and members of the Order of Santiago under Ferdinand III of Castile and Paio Peres Correia, Grand Master of the Order of Santiago, returned to finish the capture of the defiant city, defeating a Granadan army under Muhammad I.

• Jaén, Spain
• List of Castilian Battles
• Ferdinand III of Castile

• Eslava Galán, Juan (1987). "La campaña de 1225 y el primer cerco de Jaén por Fernando III". Boletín del Instituto de Estudios Giennenses (132): 30–31. ISSN 0561-3590. OCLC 278941093. Retrieved 26 February 2010.

• Eslava Galán, Juan (1999). Fortificación en el Reino de Jaén durante la Baja Edad Media. p. 665. Retrieved 27 November 2010.^{[permanent dead link‍]}

• Francisco Miguel Merino Laguna (7 January 2008). "Primer asedio de Fernando III". Muralla de Jaén. Retrieved 27 November 2010.

• "Fernando III de Castilla y León, el Santo". 1991. Retrieved 27 November 2010.