According to tradition, Mulay-Hacén was buried at the top of the highest mountain in Sierra Nevada. The peak is since then known as "Mulhacén", and at 3478'6 meters it is the highest mountain in the Iberian Peninsula, and second in Spain after the Teide (3718 meters).
Aragon's Grand Inquisitor Pedro de Arbués is played by José Enrique Villuendas, a History teacher and Medieval reenactor that is also one of Jordi Frades' consultants for the series.