In his early life he had gone to Castile and entered the service of Don Juan de Guzmán, brother of Enrique de Guzmán, 2nd Duke of Medina Sidonia.
Pada kehidupan awalnya, ia pergi ke Castile dan pelayanan Don Juan de Guzmán, saudara Enrique de Guzmán, Adipati Medina Sidonia ke-2.