Ferdinand de la Cerda, Spanish noble (died 1275)

Fernando de la Cerda (1255–1275)

Heir apparent to the Crown of Castile (1255–1275)

Ferdinand de la Cerda 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. There are various accounts of the origin of this name, including that it was a reference to…