Diego de Castilla References Diego de Castilla Spanish art patron Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: El Greco/ Middle yearsLuis’ brother, Diego de Castilla, gave El Greco his first commission in Spain, which possibly had been promised before the artist left Italy. Read MoreLuis’ brother, Diego de Castilla, gave El Greco his first commission in Spain, which possibly had been promised before the artist left Italy. Read More