Fernando de la Cerda (1255–1275)

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Ferdinand de la Cerda (23 October 1255 – 25 June 1275) was the heir apparent to the Crown of Castile as the eldest son of Alfonso X and Violant of Aragon. His nickname, de la Cerda, means "of the bristle" in Spanish, a reference to being born with a full head of hair.[1]

Ferdinand de la Cerda
heir apparent of Castile & León
Sepulcro de Don Fernando de la Cerda, hijo de Alfonso X el Sabio.jpg
Tomb of Ferdinand de la Cerda
Born(1255-10-23)23 October 1255
Valladolid, Castile
Died25 June 1275(1275-06-25) (aged 19)
Ciudad Real, Castile
Noble familyHouse of la Cerda
Spouse(s)Blanche of France
FatherAlfonso X of Castile
MotherViolant of Aragon
Arms of the House de la Cerda to the 13th century, a combination of Castile and León, from infante Fernando, and the arms of France, for Blanche of France.[2]

In November 1268 he married Blanche, the daughter of King Louis IX of France. They had two sons:

Ferdinand became regent of Castile in November 1274 when his father left for Germany. In May 1275 the Marinids from Morocco landed in Spain upon call from Muhammad II of Granada and attacked Castile. Ferdinand raised troops and moved south from Burgos to defend the kingdom but died unexpectedly in Villa Real on 25 June 1275 leaving Castile open to invasion. His sons did not inherit the throne of their grandfather, since their uncle Sancho, who had repulsed the Moorish invasion, usurped the throne.



  1. ^ Historia del apodo "de la Cerda". ARGOTE DE MOLINA, Gonzalo. Nobleza del Andaluzía. 1588.
  2. ^ Maclagan, Michael and Jiri Louda, Lines of Succession, (MacDonald & Co., 1981), Table 47.
  3. ^ Medieval Iberia: An Encyclopedia, Ed. E. Michael Gerli and Samuel G. Armistead, (Routledge, 2003), 50.
  4. ^ Masnata y de Quesada, David E. (1985). «La Casa Real de la Cerda». Estudios Genealógicos y Heráldicos (Madrid: Asociación Española de Estudios Genealógicos y Heráldicos): pp. 169–229
  • "Medieval Lands Project". Retrieved 2007-06-21.