. "Castillan infante" . . . . "1253Z"^^ . "Ferdinand de la Cerda"@en . "1275Z"^^ . . "Don Ferdinand de la Cerda (1253\u20131275) was the Crown Prince (infante) of Castile, eldest son of King Alfonso X of Castile 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.In November 1268 he married Princess Blanche of France, the daughter of King Louis IX of France."@en . .