Barcelona References Barcelona historical county, Spain 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: France/ The principalities of the south…century, when the houses of Barcelona and Toulouse secured portions by marriage; a cadet dynasty of Barcelona continued to rule the county until 1245. Read More…century, when the houses of Barcelona and Toulouse secured portions by marriage; a cadet dynasty of Barcelona continued to rule the county until 1245. Read More