Ferdinand de la Cerda, Lord of Lara Grandson of King Alfonso X of Castile (1275–1322) Parents Blanche of France, Infanta of Castile Ferdinand de la Cerda Children Margarita de Lara Maria de Lara Blanca de La Cerda y Lara Juan Núñez III de Lara Siblings Alfonso de la Cerda Partners Juana Núñez de Lara