Grandson of King Ferdinand III and nephew of Alfonso X
One of the most important prose writers of the XIV century in Spain
Well versed in Latin, history, law and theology
One of the richest and most powerful men of his time
Trained in arts such as equestrianism, hunting, and fencing
His literary work marks a great preoccupation with both practical and spiritual life
His didactic works are often classified under the general Medieval rubric of 'education of princes'
