Fernando de la Cerda (1255–1275)

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[1] and Violant of Aragon.

[3] In November 1268 Ferdinand married Blanche, the daughter of King Louis IX of France.

[1] 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.

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. [ 4 ]