Complex sentence: Sir Robert's grandson, Sir John Cotton, gave the library to the nation of Great Britain, and its early history is conveniently set out in the introductory recitals to the Act of Parliament 12 & 13 Gul.
Split into simpler sentences: Sir Robert's grandson, Sir John Cotton, gave the library to the nation of Great Britain. Its early history is set out in the introductory recitals to the Act of Parliament 12 & 13 Gul.